Add GitHub automation

- CI/CD pipeline with GitHub Actions
- Auto-merge for Dependabot and labeled PRs
- Issue and PR templates
- Dependabot configuration

🤖 Generated with [Claude Code](https://claude.com/claude-code)

.github/ISSUE_TEMPLATE/feature_request.md

@@ -0,0 +1,15 @@
+---
+name: Feature Request
+about: Suggest a new feature
+title: '[FEATURE] '
+labels: enhancement
+---
+
+## Feature Description
+A clear description of the feature.
+
+## Use Case
+Why is this feature needed?
+
+## Proposed Solution
+How should this work?