ci: adhere to Conventional Commits in PR titles

Author: paduszyk

.github/workflows/semantic-pr.yml

@@ -0,0 +1,20 @@
+name: Semantic PR
+
+on:
+  pull_request_target:
+    types:
+      - edited
+      - opened
+      - reopened
+      - synchronize
+
+permissions:
+  pull-requests: read
+
+jobs:
+  semantic-pr:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: amannn/action-semantic-pull-request@v5
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

docs/README.md

@@ -1,7 +1,10 @@
 # django-management-commands
 
+[![Conventional Commits](https://img.shields.io/badge/Conventional_Commits-1.0.0-fa6673?logo=conventional-commits)][conventional-commits]
+
 ## License
 
 Released under the [MIT license][license].
 
+[conventional-commits]: https://www.conventionalcommits.org/
 [license]: https://github.com/paduszyk/django-management-commands/blob/main/LICENSE