feat (home/graphical): custom .desktop files, filter default apps

home/packages/thunderbird/default.nix

@@ -0,0 +1,51 @@
+{ ... }:
+{
+  home.file."thunderbird-gnome-theme" = {
+    target = ".thunderbird/default/chrome/thunderbird-gnome-theme";
+    source = fetchTarball {
+      url = "https://github.com/rafaelmardojai/thunderbird-gnome-thee/archive/v115.tar.gz";
+      sha256 = "1l295w61h5469328qkjggny3mjq1x0q3zr9p8pz5sq5pypc7604x";
+    };
+  };
+
+  programs.thunderbird = {
+    enable = true;
+    profiles.default = {
+      isDefault = true;
+      settings = {
+        "toolkit.legacyUserProfileCustomizations.stylesheets" = true;
+        "svg.context-properties.content.enabled" = true;
+        "gnomeTheme.hideTabbar" = true;
+      };
+      userChrome = ''
+        @import "thunderbird-gnome-theme/userChrome.css";
+        @import "thunderbird-gnome-theme/theme/colors/dark.css";
+      '';
+    };
+  };
+
+  xdg.desktopEntries.thunderbird = {
+    categories = [
+      "Network"
+      "Chat"
+      "Email"
+      "Feed"
+      "GTK"
+      "News"
+    ];
+    comment = "Read and write e-mails or RSS feeds, or manage tasks on calendars.";
+    exec = "thunderbird --name thunderbird %U";
+    genericName = "Email Client";
+    icon = ./icon.svg;
+    mimeType = [
+      "message/rfc822"
+      "x-scheme-handler/mailto"
+      "text/calendar"
+      "text/x-vcard"
+    ];
+    name = "Email";
+    startupNotify = true;
+    terminal = false;
+    type = "Application";
+  };
+}