fix(hardtime-nvim): make arrowkeys work in insert mode

modules/home/cli/editor/nvf/binds.nix

@@ -1,4 +1,26 @@
 {
-  hardtime-nvim.enable = true;
+  hardtime-nvim = {
+    enable = true;
+    setupOpts = {
+      disabled_keys = {
+        "<Up>" = [
+          "n"
+          "x"
+        ];
+        "<Down>" = [
+          "n"
+          "x"
+        ];
+        "<Left>" = [
+          "n"
+          "x"
+        ];
+        "<Right>" = [
+          "n"
+          "x"
+        ];
+      };
+    };
+  };
   whichKey.enable = true;
 }