Update documentation to reference central wiki

- Updated README.md to link to eagle-dev-guides wiki
- Removed old docs/ARCHITECTURE.md, DEPLOYMENT.md
- Deleted empty docs/ folder
- All general documentation now centralized in wiki

Author: danieltruong

README.md

@@ -2,6 +2,18 @@
 
 Admin site project for management of EPIC
 
+## Documentation
+
+All documentation has been consolidated in the [Eagle Documentation Wiki](https://github.com/bcgov/eagle-dev-guides/wiki):
+
+* **[Architecture Overview](https://github.com/bcgov/eagle-dev-guides/wiki/Architecture-Overview)** - System components and request flow
+* **[Configuration Management](https://github.com/bcgov/eagle-dev-guides/wiki/Configuration-Management)** - ConfigService pattern and environment variables
+* **[Deployment Pipeline](https://github.com/bcgov/eagle-dev-guides/wiki/Deployment-Pipeline)** - CI/CD workflows and procedures
+* **[Helm Charts](https://github.com/bcgov/eagle-dev-guides/wiki/Helm-Charts)** - Kubernetes deployment configuration
+* **[Local Development](https://github.com/bcgov/eagle-dev-guides/wiki/Local-Development)** - Setting up your development environment
+* **[Rollback Procedures](https://github.com/bcgov/eagle-dev-guides/wiki/Rollback-Procedures)** - How to rollback deployments
+* **[Troubleshooting](https://github.com/bcgov/eagle-dev-guides/wiki/Troubleshooting)** - Common issues and solutions
+
 ## Related projects
 
 Eagle is a revision name of the EAO EPIC application suite.
@@ -85,13 +97,7 @@ yarn test-ci
 
 ## CI/CD Pipeline
 
-The EPIC project has moved away from PR based pipeline due to complexity and reliability concerns of the PR based pipeline implementation. The current CI/CD pipeline utilizes Github Actions to build Docker images and push them back into the BC Gov OpenShift Docker registry.
-
-A full description and guide to the EPIC pipeline and branching strategy is available in the [eagle-dev-guides](https://github.com/bcgov/eagle-dev-guides/blob/master/dev_guides/github_action_pipeline.md) repository.
-
-## Angular Code scaffolding
-
-A brief guide to Angular CLI's code scaffolding can be found in [eagle-dev-guides](https://github.com/bcgov/eagle-dev-guides/blob/master/dev_guides/angular_scaffolding.md)
+See the [Deployment Pipeline](https://github.com/bcgov/eagle-dev-guides/wiki/Deployment-Pipeline) documentation in the central wiki for complete CI/CD workflow information.
 
 
 ## How to Contribute