feat: Openfeature VWO Go Provider

Author: Abhi591

.gitignore

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+example/
+
+.vscode/
+
+.idea/
+
+.DS_Store
+.DS_Store?
+.env

CHANGELOG.md

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+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## [1.0.0] - 2025-11-07
+
+### Added
+
+- First release of VWO OpenFeature Provider Go
+
+    ```go
+    package main
+
+    import (
+        "context"
+        "fmt"
+        "log"
+
+        "github.com/open-feature/go-sdk/openfeature"
+        vwo "github.com/wingify/vwo-openfeature-provider-go/pkg"
+    )
+
+    func main() {
+        provider, err := vwo.NewVWOProviderWithConfig(map[string]interface{}{
+            "sdkKey":    "<your-vwo-sdk-key>",
+            "accountId": "<your-vwo-account-id>",
+        })
+        if err != nil {
+            log.Fatalf("Failed to create VWO feature provider: %v", err)
+        }
+
+        openfeature.SetProviderAndWait(provider)
+        client := openfeature.NewClient("my-app")
+
+        // Evaluate a boolean flag. If no variableKey is provided, this returns flag enabled/disabled.
+        ctx := openfeature.NewEvaluationContext("unique-user-id", map[string]any{"variableKey": "booleanVariableKey"})
+        enabled, err := client.BooleanValue(context.Background(), "featureKey", false, ctx)
+        if err != nil {
+            log.Fatalf("Failed to get boolean value: %v", err)
+        }
+        fmt.Println("Enabled:", enabled)
+
+        // Evaluate typed variables by passing variableKey in the evaluation context
+        // String variable
+        ctx = openfeature.NewEvaluationContext("unique-user-id", map[string]any{"variableKey": "stringVariableKey"})
+        strVal, _ := client.StringValue(context.Background(), "featureKey", "default", ctx)
+        fmt.Println("String value:", strVal)
+
+        // Integer variable
+        ctx = openfeature.NewEvaluationContext("unique-user-id", map[string]any{"variableKey": "integerVariableKey"})
+        intVal, _ := client.IntValue(context.Background(), "featureKey", 0, ctx)
+        fmt.Println("Int value:", intVal)
+
+        // Float variable
+        ctx = openfeature.NewEvaluationContext("unique-user-id", map[string]any{"variableKey": "floatVariableKey"})
+        floatVal, _ := client.FloatValue(context.Background(), "featureKey", 0.0, ctx)
+        fmt.Println("Float value:", floatVal)
+
+        // JSON variable
+        ctx = openfeature.NewEvaluationContext("unique-user-id", map[string]any{"variableKey": "jsonVariableKey"})
+        jsonVal, _ := client.ObjectValue(context.Background(), "featureKey", map[string]any{}, ctx)
+        fmt.Println("JSON value:", jsonVal)
+    }
+    ```

CODE_OF_CONDUCT.md

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+# Contributor Covenant Code of Conduct
+
+## Our Pledge
+
+In the interest of fostering an open and welcoming environment, we as
+contributors and maintainers pledge to making participation in our project and
+our community a harassment-free experience for everyone, regardless of age, body
+size, disability, ethnicity, sex characteristics, gender identity and expression,
+level of experience, education, socio-economic status, nationality, personal
+appearance, race, religion, or sexual identity and orientation.
+
+## Our Standards
+
+Examples of behavior that contributes to creating a positive environment
+include:
+
+- Using welcoming and inclusive language
+- Being respectful of differing viewpoints and experiences
+- Gracefully accepting constructive criticism
+- Focusing on what is best for the community
+- Showing empathy towards other community members
+
+Examples of unacceptable behavior by participants include:
+
+- The use of sexualized language or imagery and unwelcome sexual attention or
+  advances
+- Trolling, insulting/derogatory comments, and personal or political attacks
+- Public or private harassment
+- Publishing others' private information, such as a physical or electronic
+  address, without explicit permission
+- Other conduct which could reasonably be considered inappropriate in a
+  professional setting
+
+## Our Responsibilities
+
+Project maintainers are responsible for clarifying the standards of acceptable
+behavior and are expected to take appropriate and fair corrective action in
+response to any instances of unacceptable behavior.
+
+Project maintainers have the right and responsibility to remove, edit, or
+reject comments, commits, code, wiki edits, issues, and other contributions
+that are not aligned to this Code of Conduct, or to ban temporarily or
+permanently any contributor for other behaviors that they deem inappropriate,
+threatening, offensive, or harmful.
+
+## Scope
+
+This Code of Conduct applies both within project spaces and in public spaces
+when an individual is representing the project or its community. Examples of
+representing a project or community include using an official project e-mail
+address, posting via an official social media account, or acting as an appointed
+representative at an online or offline event. Representation of a project may be
+further defined and clarified by project maintainers.
+
+## Enforcement
+
+Instances of abusive, harassing, or otherwise unacceptable behavior may be
+reported by contacting the project team at dev@wingify.com. All
+complaints will be reviewed and investigated and will result in a response that
+is deemed necessary and appropriate to the circumstances. The project team is
+obligated to maintain confidentiality with regard to the reporter of an incident.
+Further details of specific enforcement policies may be posted separately.
+
+Project maintainers who do not follow or enforce the Code of Conduct in good
+faith may face temporary or permanent repercussions as determined by other
+members of the project's leadership.
+
+## Attribution
+
+This Code of Conduct is adapted from the [Contributor Covenant][homepage], version 1.4,
+available at https://www.contributor-covenant.org/version/1/4/code-of-conduct.html
+
+[homepage]: https://www.contributor-covenant.org
+
+For answers to common questions about this code of conduct, see
+https://www.contributor-covenant.org/faq

CONTRIBUTING.md

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+## Contributing to VWO OpenFeature Provider Go
+
+We love your input! We want to make contributing to this project as easy and transparent as possible, whether it's:
+
+- Reporting a bug
+- Discussing the current state of the code
+- Submitting a fix
+- Proposing new features
+
+### We Use [Github Flow](https://guides.github.com/introduction/flow/index.html), So All Code Changes Happen Through Pull Requests
+
+Pull requests are the best way to propose changes to the codebase (we use [Github Flow](https://guides.github.com/introduction/flow/index.html)). We actively welcome your pull requests:
+
+1. Fork the repo and create your branch from `master`.
+2. If you've added code that should be tested, add tests.
+3. Ensure the test suite passes.
+4. Make sure your code lints.
+5. Open a pull request!
+
+### Any contributions you make will be under the Apache 2.0 Software License
+
+When you submit code changes, your submissions are understood to be under the same [Apache 2.0 License](http://www.apache.org/licenses/LICENSE-2.0) that covers the project. Feel free to contact the maintainers if that's a concern.
+
+### Report bugs using GitHub issues
+
+We use GitHub issues to track public bugs. Report a bug by [opening a new issue](https://github.com/wingify/vwo-openfeature-provider-go/issues); it's that easy!
+
+**Note**: Write bug reports with detail, background, and sample code
+
+**Great Bug Reports** tend to have:
+
+- A quick summary and/or background
+- Steps to reproduce
+  - Be specific!
+  - Give sample code if you can.
+- What you expected would happen
+- What actually happens
+- Notes (possibly including why you think this might be happening, or stuff you tried that didn't work)
+
+### License
+
+By contributing, you agree that your contributions will be licensed under its Apache 2.0 License.