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.

home/programs/helium/bookmarks/entertainment.nix

@@ -0,0 +1,50 @@
+[
+  {
+    name = "Entertainment";
+    icon = "movie";
+    bookmarks = [
+      {
+        name = "Youtube";
+        url = "https://youtube.com";
+      }
+      {
+        name = "Jellyfin";
+        url = "https://media.hadi.icu";
+      }
+      {
+        name = "Seerr";
+        url = "https://demandemedia.hadi.icu";
+      }
+      {
+        name = "Social Media";
+        icon = "group";
+        bookmarks = [
+          {
+            name = "Medium";
+            url = "https://medium.com";
+          }
+          {
+            name = "Bluesky";
+            url = "https://bsky.app";
+          }
+          {
+            name = "Reddit";
+            url = "https://reddit.com";
+          }
+          {
+            name = "Instagram";
+            url = "https://instagram.com";
+          }
+          {
+            name = "Discord";
+            url = "https://discord.com/channels/@me/";
+          }
+          {
+            name = "Gitlab";
+            url = "https://gitlab.com/";
+          }
+        ];
+      }
+    ];
+  }
+]