Add new server modules and configurations for various services

- Introduced `default-creds` module for managing default credentials with Umami integration.
- Added `fail2ban` module for brute-force attack protection with configurable ban times.
- Created `firewall` module to enable and configure basic firewall settings.
- Implemented `gitea` module for self-hosted Git service with PostgreSQL backend.
- Developed `glance` module for a customizable dashboard with various widgets and themes.
- Added `iknowyou` module for a self-hosted password manager with production and demo environments.
- Introduced `kernel-hardening` module for enhancing kernel security settings.
- Created `mazanoke` module for a simple web application with Nginx integration.
- Added `mealie` module for a self-hosted meal planning application.
- Implemented `stirling-pdf` module for PDF generation service.
- Developed `umami` module for self-hosted analytics with secret management.
- Added `ssh` module for secure SSH configuration with user restrictions.
- Introduced `nixy` theme for a customized aesthetic experience across services.

.github/workflows/update-readme.yml

@@ -0,0 +1,31 @@
+on:
+  push:
+     paths:
+       - '.github/assets/README_template.md'
+permissions:
+  contents: write
+jobs:
+  update-readme:
+    runs-on: ubuntu-latest
+    defaults:
+      run:
+        working-directory: ./
+    steps:
+      - name: Check out the repository to the runner
+        uses: actions/checkout@v4  
+      - name: Set up Go
+        uses: actions/setup-go@v5
+        with:
+          go-version: '^1.23'
+      - name: Install required dependencies
+        run: |
+          go install github.com/anotherhadi/markdown-table-of-contents@latest
+      - name: Run a script
+        run: |
+          chmod +x ./.github/scripts/create_readme.sh
+          ./.github/scripts/create_readme.sh
+          git config user.name github-actions
+          git config user.email github-actions@github.com
+          git add .
+          git commit -m "Update README.md (auto)" && git push
+          exit 0