Add README with GitHub configurations and workflows

Added organization-wide GitHub configurations, reusable workflows, and CI/CD templates to the README.

Author: chitcommit

README.md

@@ -0,0 +1,30 @@
+# chittyfoundation/.github
+
+Organization-wide GitHub configurations, reusable workflows, and CI/CD templates.
+
+## Reusable Workflows
+
+Any repository can call our centralized CI pipeline:
+
+```yaml
+name: CI
+on: [push, pull_request]
+jobs:
+  ci:
+    uses: chittyfoundation/.github/.github/workflows/reusable-ci-pipeline.yml@main
+    with:
+      run-ai-review: true
+      run-governance: true
+    secrets:
+      ANTHROPIC_API_KEY: ${{ secrets.ANTHROPIC_API_KEY }}
+```
+
+## Workflow Templates
+
+Available in Actions > New workflow:
+- **AI Code Review** - Claude-powered PR review
+- - **Governance Checks** - chittycanon compliance
+ 
+  - ## Governance
+ 
+  - Reference: `chittycanon://gov/governance`