Update README

Author: GeekMasher

README.md

@@ -13,3 +13,26 @@ Gradle Lock Dependency Submission Action
     # [optional ] Token used to authenticate with the GitHub API. Defaults to the GITHUB_TOKEN secret.
     token: ${{ secrets.CODEQL_SUMMARY_GENERATOR_TOKEN }}
 ```
+
+#### Workflow Example
+
+```yaml
+name: Gradle Lock Dependency Submission Action
+on:
+  push:
+    branches: [main]
+
+permissions: 
+  contents: write   # needed
+
+jobs:
+  gradle-lock:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      
+      # ... generate gradle.lock file
+
+      - name: Gradle Lock Dependency Submission Action
+        uses: GeekMasher/gradle-lock-dependency-submission-action@main
+```