feat(nixvim): added diffview as default plugin

actually pretty useful when it comes down to it

Author: suasuasuasuasua

…eovim/plugins/custom/extras/diffview.nix …pment/neovim/plugins/custom/diffview.nixmodules/home/development/neovim/plugins/custom/extras/diffview.nix renamed to modules/home/development/neovim/plugins/custom/diffview.nix modules/home/development/neovim/plugins/custom/extras/diffview.nix renamed to modules/home/development/neovim/plugins/custom/diffview.nix

@@ -9,7 +9,11 @@ let
 in
 {
   options.home.development.neovim.plugins.${name} = {
-    enable = lib.mkEnableOption "Enable ${name} plugin for neovim";
+    enable = lib.mkOption {
+      type = lib.types.bool;
+      default = true;
+      description = "Enable ${name} plugin for neovim";
+    };
   };
 
   config = lib.mkIf cfg.enable {