Add docs

README.md

@@ -1,2 +1,31 @@
 # delete-release-assets-action
-A simple GitHub action which deletes all assets attached to a release. It is mainly designed to make sure electron-builder doesn't fail in case an asset already exists..
+
+A simple GitHub action which deletes all assets attached to a release. It is mainly designed to make sure electron-builder doesn't fail in case an asset already exists.
+
+## Inputs
+
+| name           | required? | description                                                                                 |
+| -------------- | --------- | ------------------------------------------------------------------------------------------- |
+| `github_token` | yes       | GitHub Access Token (usually `secrets.GITHUB_TOKEN`)                                        |
+| `tag`          | no        | Tag name that identifies the release (version is read from `package.json` if not specified) |
+
+## Example usage
+
+```yml
+name: Delete Release Assets
+
+on: push
+
+jobs:
+  deleteReleaseAssets:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Check out Git repository
+        uses: actions/checkout@v1
+
+      - name: Delete current release assets
+        uses: andreaswilli/delete-release-assets-action@<version>
+        with:
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+```