ci: add a new workflow to validate pr title (#312)

* ci: add a new workflow to validate pr title

* refactor: edit `pull_request_opened` workflow to add "valide PR title" check

* refactor: remove previous workflow for pr title

* refactor: a small change on the name of each job

Author: BoltonDev

.github/workflows/pull_request_opened.yml

@@ -1,29 +1,36 @@
-name: Labeler
+name: Pull Request CI
 
 on:
-  - pull_request_target
+  pull_request_target
 
 defaults:
   run:
     working-directory: ./EXILED
 
 jobs:
   set-labels:
+    name: Set Labels
     permissions:
       contents: read
       pull-requests: write
     runs-on: ubuntu-latest
     steps:
-    - name: Labeler
-      uses: actions/labeler@v5.0.0
+    - uses: actions/labeler@v5.0.0
       with:
         repo-token: ${{ secrets.GITHUB_TOKEN }}
         configuration-path: .github/labeler.yml
         sync-labels: true
   assign-author:
+    name: Assign Author
     runs-on: ubuntu-latest
     permissions:
       pull-requests: write
-      
     steps:
       - uses: toshimaru/auto-author-assign@v2.1.1
+  validate-pr-title:
+    name: Validate PR title
+    runs-on: ubuntu-latest
+    steps:
+      - uses: amannn/action-semantic-pull-request@v5
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}