usage example

README.md

@@ -3,4 +3,30 @@
 
 A Github Action for creating Github Releases
 
+## Usage
+
+```yaml
+name: Main
+
+on: push
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@master
+        with:
+          fetch-depth: 1
+      - name: Build
+        run: echo ${{ github.sha }} > Release.txt
+      - name: Release
+        uses: docker://softprops/action-gh-release
+				if: ${{ startsWith(github.ref, 'refs/tags/') }}
+				with:
+					files: Release.txt
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+```
+
 Doug Tangren (softprops) 2019