Move content from execute.md into index.md

docs/examples/github/gitversion/index.md

@@ -9,3 +9,19 @@
     with:
         versionSpec: '5.2.x'
 ```
+
+# Example
+
+```yaml
+  steps:
+  - name: Fetch all history for all tags and branches
+    run: git fetch --prune --unshallow
+  - name: Use GitVersion
+    id: gitversion # step id used as reference for output values
+    uses: gittools/actions/gitversion/execute@v0.9.2
+  - run: |
+      echo "Major: ${{ steps.gitversion.outputs.major }}"
+      echo "Minor: ${{ steps.gitversion.outputs.minor }}"
+      echo "Patch: ${{ steps.gitversion.outputs.patch }}"
+    name: Output
+```