docs: add example

README.md

@@ -1 +1,21 @@
-# setup-vehub
+# setup-vehub
+
+This action sets up the veHub CLI, so that it can be used in subsequent steps.
+
+## Usage
+
+Example usage:
+
+```yaml
+steps:
+  - name: Setup veHub CLI
+    uses: vehub/setup-vehub@v1
+
+  - name: Check installation
+    run: vehub --version
+
+  - name: List project spaces
+    run: vehub space list
+    env:
+      VEHUB_TOKEN: ${{ secrets.VEHUB_TOKEN }}
+```