docs: add README files for all shared actions

setup-bazel/README.md

@@ -0,0 +1,22 @@
+# Setup Bazel
+
+Installs Node.js, Bazelisk, and configures Git credentials to resolve private dependencies over SSH.
+
+## Inputs
+
+| Name | Description | Required | Default |
+| :--- | :--- | :--- | :--- |
+| `node_version` | The version of Node.js to install. | No | `24` |
+| `cache` | The package manager cache (e.g. `pnpm`, `npm`, `yarn`) to use with `actions/setup-node`. | No | |
+| `git_token` | Gitea access token used to authenticate SSH dependencies over HTTPS. | No | |
+
+## Example Usage
+
+```yaml
+- name: Set up Bazel Environment
+  uses: rodydavis/shared-actions/setup-bazel@main
+  with:
+    node_version: '24'
+    cache: 'pnpm'
+    git_token: ${{ secrets.GIT_TOKEN }}
+```