Add workflows verifying bash and commit messages

This PR adds the first two workflows:
1. Bash linter
2. Commit message verification

.forgejo/workflows/check-commit-message.yml

@@ -8,9 +8,7 @@ on:
 
 jobs:
   check-commit-message:
-    runs-on: docker 
+    runs-on: node:16-bullseye
-    container:
-      image: node:16-bullseye
 
     steps:
       - name: Checkout Code

.forgejo/workflows/lint-bash.yml

@@ -12,7 +12,7 @@ jobs:
   lint-bash:
     runs-on: docker
     container:
-      image: node:16-bullseye
+      image: node:16-bullseye  # Node.js pre-installed, based on Debian
 
     steps:
       - name: Checkout Code