feat: migrating neovim

home-manager/modules/neovim/plugins/diffview.nix

@@ -0,0 +1,32 @@
+{...}: {
+  programs.nixvim = {
+    plugins = {
+      diffview = {
+        enable = true;
+      };
+    };
+
+    keymaps = [
+      {
+        mode = "n";
+        key = "<leader>gd";
+        action.__raw =
+          # lua
+          ''
+            function()
+              vim.g.diffview_enabled = not vim.g.diffview_enabled
+              if vim.g.diffview_enabled then
+                vim.cmd('DiffviewClose')
+              else
+                vim.cmd('DiffviewOpen')
+              end
+            end
+          '';
+        options = {
+          desc = "Git Diff toggle";
+          silent = true;
+        };
+      }
+    ];
+  };
+}