Add openlens

Signed-off-by: Nikolaos Karaolidis <nick@karaolidis.com>

hosts/common/user/configs/gui/openlens/default.nix

@@ -0,0 +1,30 @@
+{
+  user ? throw "user argument is required",
+  home ? throw "home argument is required",
+}:
+{ config, pkgs, ... }:
+let
+  hmConfig = config.home-manager.users.${user};
+in
+{
+  home-manager.users.${user} = {
+    home.packages = [ (pkgs.callPackage ./package.nix { }) ];
+
+    xdg.configFile."OpenLens/lens-user-store.json".source =
+      (pkgs.formats.json { }).generate "lens-user-store.json"
+        {
+          __internal__ = {
+	          migrations = {
+			        version = "6.5.0";
+		        };
+	        };
+
+          preferences = {
+            colorTheme = "system";
+            editorConfiguration.fontFamily = builtins.head hmConfig.theme.font.monospace.names;
+            terminalConfig.fontFamily = builtins.head hmConfig.theme.font.monospace.names;
+            terminalCopyOnSelect = true;
+          };
+        };
+  };
+}