chore: add readme

README.md

@@ -1,3 +1,22 @@
-# template_library
+# shared-actions
 
-Template for library projects (no dev branch)
+Shared composite actions for Forgejo CI/CD pipelines.
+
+## Actions
+
+| Action | Description |
+|--------|-------------|
+| [aws-configure](aws-configure) | Authenticate with AWS via OIDC |
+
+
+## Usage
+
+Reference actions from your project's workflow:
+
+```yaml
+- uses: https://schmalz-git.git.onstackit.cloud/schmalz/shared-actions/<action-name>@v1
+  with:
+    # see each action's README for inputs
+```
+
+Each action has its own README with inputs, usage examples, and notes.