Update harper.yml

Author: Amanda-dong

.github/workflows/harper.yml

@@ -16,5 +16,13 @@ jobs:
       - name: Install Harper CLI
         run: cargo install --git https://github.com/Automattic/harper harper-cli --locked
 
+      - name: Show Harper CLI Help
+        run: |
+          harper-cli --help
+          echo "----------------"
+          harper-cli lint --help
+
       - name: Run Harper
-        run: find docs src/pages -type f \( -name "*.md" -o -name "*.mdx" \) -print0 | xargs -0 harper-cli lint
+        run: |
+          find docs src/pages -type f \( -name "*.md" -o -name "*.mdx" \) -print0 | \
+          xargs -0 harper-cli lint