fix: install commitlint before using it (#24)

* feat: add commitlint action

* fix: add commitlint configuration file

* fix: install commitlint before using it

Author: ateoi

.github/workflows/commitlint.yml

@@ -7,19 +7,19 @@ jobs:
       - uses: actions/checkout@v3
         with:
           fetch-depth: 0
+      - name: Install commitlint
+        run: |
+          npm install conventional-changelog-conventionalcommits
+          npm install commitlint@latest
       - name: Print versions
         run: |
           git --version
           node --version
           npm --version
           npx commitlint --version
-      - name: Install commitlint
-        run: |
-          npm install conventional-changelog-conventionalcommits
-          npm install commitlint@latest
       - name: Validate current commit (last commit) with commitlint
         if: github.event_name == 'push'
         run: npx commitlint --from HEAD~1 --to HEAD --verbose
       - name: Validate PR commits with commitlint
         if: github.event_name == 'pull_request'
-        run: npx commitlint --from ${{ github.event.pull_request.head.sha }}~${{ github.event.pull_request.commits }} --to ${{ github.event.pull_request.head.sha }} --verbose
+        run: npx commitlint --from ${{ github.event.pull_request.head.sha }}~${{ github.event.pull_request.commits }} --to ${{ github.event.pull_request.head.sha }} --verbose