Improve Gitea Actions workflow with dynamic repository URL detection

- Update .gitea/workflows/auto-sort-files.yml to dynamically fetch repository URL using git config
- Support both HTTPS and SSH repository URL formats automatically
- Remove hardcoded repository URL for better portability across different repositories
- Add intelligent URL parsing to construct proper authenticated push URL
- Update GITEA-ACTIONS-SETUP.md to document dynamic URL detection feature
- Improve workflow flexibility for template reuse across different projects

GITEA-ACTIONS-SETUP.md

@@ -54,7 +54,7 @@ on:
 ```
 
 ### Authentication Method
-The workflow uses token-based authentication:
+The workflow uses token-based authentication and dynamically detects the repository URL:
 ```yaml
 - name: Checkout repository
   uses: actions/checkout@v4
@@ -62,6 +62,13 @@ The workflow uses token-based authentication:
     token: ${{ secrets.CI_BOT_TOKEN }}
 ```
 
+The push operation automatically detects the repository URL:
+```bash
+# Get the repository URL dynamically
+REPO_URL=$(git config --get remote.origin.url)
+# Supports both HTTPS and SSH repository URLs
+```
+
 ## 🧪 Testing the Setup
 
 ### 1. Create Test Files