Update README.md

README.md

@@ -6,3 +6,25 @@ This action will build and install the Cadius tool for creating and modifying Ap
 * Cadius is built and installed, so later steps can use `cadius` commands directly.
 
 The action has no inputs or outputs. 
+
+## Example
+
+```yml
+name: build
+on:
+  push:
+    branches: [ main ]
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: a2stuff/build-install-cadius-action@v1
+      - name: build and package
+        run: |
+          make
+          cp out/built.BIN "out/BUILT#062000"
+          cadius CREATEVOLUME image.po VOLNAME 140KB 
+          cadius ADDFILE image.po /VOLNAME "out/BUILT#062000"
+          cadius CATALOG image.po
+```