Make kitty default terminal in nemo and add VimInKitty desktop entry as default text editor.

home-manager/programs/kitty.nix

@@ -33,4 +33,31 @@
     # Fix KiTTY SSH Misbehavior
     [[ "$TERM" == "xterm-kitty" ]] && alias ssh="TERM=xterm-256color ssh"
   '';
+
+  dconf = {
+    settings = {
+        "org/cinnamon/desktop/applications/terminal" = {
+            exec = "kitty";
+            exec-arg = "";
+        };
+    };
+  };
+
+  xdg = {
+    enable = true;
+    desktopEntries = {
+      VimInKitty = {
+        name = "Vim in Kitty";
+        exec = "kitty vim %U";
+        terminal = false;
+        mimeType = [ "text/plain" ];
+      };
+    };
+    mimeApps = {
+      enable = true;
+      defaultApplications = {
+        "text/plain" = [ "VimInKitty.desktop" ];
+      };
+    };
+  };
 }