Update CODEOWNERS (#100039)

* f7d325 update codeowners

Author: ivikramsahu

.github/HCRCODEOWNERS renamed to .harness/CODEOWNERS

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+
+Thanks for contributing to the Harness Developer Hub! Please use GitHub Issues to report documentation issues or request documentation enhancements, and our code owners will review your issue.
+
+**For issues and feature requests for the Harness Platform and modules, use the [Harness Ideas Portal](https://ideas.harness.io/).**
+
+## Type
+
+- [ ] Issue (such as typos, broken images/links, or missing/malformed documentation)
+- [ ] Enhancement (such as UX suggestions, new documentation requests, or suggestions for how content is organized/presented)
+
+> :bulb: **Tip:** You can select **Edit this Page** at the bottom of any HDH page to instantly edit that page and submit a PR. This is the fastest way to correct errors and publish other small changes.
+
+## Description
+
+Describe your the issue or enhancement request. Include as much or as little detail as needed. If referencing a specific page, provide the link or file path.

.harness/issue_template.md

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+Thanks for contributing to the Harness Developer Hub! Our code owners will review your submission.
+
+## Description
+
+* Please describe your changes: \__________________________________
+* Jira/GitHub Issue numbers (if any): \______________________________
+* Preview links/images (Internal contributors only): \__________________
+
+## PR lifecycle
+
+We aim to merge PRs within one week or less, but delays happen sometimes.
+
+If your PR is open longer than two weeks without any human activity, please tag a [code owner](https://github.com/harness/developer-hub/blob/main/.github/CODEOWNERS) in a comment.
+
+PRs must meet these requirements to be merged:
+
+- [ ] Successful preview build.
+- [ ] Code owner review.
+- [ ] No merge conflicts.
+- [ ] Release notes/new features docs: Feature/version released to at least one prod environment.