more keybindings!!

config/keys.nix

@@ -10,5 +10,28 @@
       };
     }
 
+    # barbar.nvim
+    {
+      mode = "n";
+      action = "<cmd>BufferClose<cr>";
+      key = "<leader><tab><tab>";
+      options = {
+        desc = "Close buffer";
+      };
+    }
+
+    {
+      mode = "n";
+      action = "<cmd>BufferOrderByName<cr>";
+      key = "<leader><tab>sn";
+      options = {
+        desc = "Sort buffer tabs by name";
+      };
+    }
   ];
+
+  plugins.fzf-lua.keymaps = {
+    "<leader><Space>" = "live_grep";
+    "<leader>fg" = "git_files";
+  };
 }