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/system/mime/default.nix

@@ -0,0 +1,150 @@
+# Mime type associations for the system.
+{
+  lib,
+  pkgs,
+  ...
+}:
+with lib; let
+  defaultApps = {
+    # check desktop files here: `ls $(echo $XDG_DATA_DIRS| sed "s/:/ /g")`
+    text = [
+      # "org.gnome.TextEditor.desktop"
+      "nvim-ghostty.desktop"
+    ];
+    code = ["nvim-ghostty.desktop"];
+    image = ["imv-dir.desktop"];
+    audio = ["mpv.desktop"];
+    video = ["mpv.desktop"];
+    directory = ["thunar.desktop"];
+    office = ["libreoffice.desktop"];
+    pdf = ["zathura.desktop"];
+    terminal = ["ghostty.desktop"];
+    archive = ["xarchiver.desktop"];
+    browser = ["helium.desktop"];
+  };
+
+  mimeMap = {
+    text = ["text/plain"];
+    code = [
+      "text/x-csrc"
+      "text/x-chdr"
+      "text/x-c++src"
+      "text/x-c++hdr"
+      "text/x-rust"
+      "text/x-go"
+      "text/x-java"
+      "text/x-csharp"
+
+      "text/x-python"
+      "application/x-shellscript"
+      "text/javascript"
+      "application/javascript"
+      "text/css"
+      "text/x-php"
+      "text/x-ruby"
+
+      "application/json"
+      "application/xml"
+      "text/xml"
+      "text/x-yaml"
+      "application/x-yaml"
+      "application/toml"
+      "text/x-nix"
+      "text/markdown"
+
+      "text/x-dockerfile"
+      "application/x-yaml"
+      "text/x-terraform"
+
+      "application/x-perl"
+      "text/x-lua"
+      "text/x-haskell"
+    ];
+    image = [
+      "image/bmp"
+      "image/gif"
+      "image/jpeg"
+      "image/jpg"
+      "image/png"
+      "image/svg+xml"
+      "image/tiff"
+      "image/vnd.microsoft.icon"
+      "image/webp"
+    ];
+    audio = [
+      "audio/aac"
+      "audio/mpeg"
+      "audio/ogg"
+      "audio/opus"
+      "audio/wav"
+      "audio/webm"
+      "audio/x-matroska"
+    ];
+    video = [
+      "video/mp2t"
+      "video/mp4"
+      "video/mpeg"
+      "video/ogg"
+      "video/webm"
+      "video/x-flv"
+      "video/x-matroska"
+      "video/x-msvideo"
+    ];
+    directory = ["inode/directory"];
+    office = [
+      "application/vnd.oasis.opendocument.text"
+      "application/vnd.oasis.opendocument.spreadsheet"
+      "application/vnd.oasis.opendocument.presentation"
+      "application/vnd.openxmlformats-officedocument.wordprocessingml.document"
+      "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet"
+      "application/vnd.openxmlformats-officedocument.presentationml.presentation"
+      "application/msword"
+      "application/vnd.ms-excel"
+      "application/vnd.ms-powerpoint"
+      "application/rtf"
+    ];
+    pdf = ["application/pdf"];
+    terminal = ["terminal"];
+    archive = [
+      "application/zip"
+      "application/rar"
+      "application/7z"
+      "application/*tar"
+    ];
+    browser = [
+      "text/html"
+      "application/xhtml+xml"
+      "x-scheme-handler/http"
+      "x-scheme-handler/https"
+      "x-scheme-handler/ftp"
+    ];
+  };
+
+  nvim-ghostty = pkgs.makeDesktopItem {
+    name = "nvim-ghostty";
+    desktopName = "Neovim (Ghostty)";
+    exec = ''ghostty --title="Neovim Editor" -e nvim %F'';
+    terminal = false;
+    categories = [
+      "Development"
+      "TextEditor"
+    ];
+    mimeTypes = mimeMap.code ++ mimeMap.text;
+  };
+
+  associations = with lists;
+    listToAttrs (
+      flatten (mapAttrsToList (key: map (type: attrsets.nameValuePair type defaultApps."${key}")) mimeMap)
+    );
+in {
+  home.packages = [nvim-ghostty];
+
+  xdg = {
+    configFile."mimeapps.list".force = true;
+    mimeApps = {
+      enable = true;
+      associations.added = associations;
+      defaultApplications = associations;
+    };
+  };
+}