update config

programs/nvim/default.nix

@@ -135,7 +135,7 @@ in
             hl = "LightBulbNumber";
           };
           float = {
-            enabled = true;
+            enabled = false;
             text = "💡";
           };
           sign = {
@@ -335,12 +335,13 @@ in
           };
         };
       };
+
+      # tabs
       bufferline = {
         enable = true;
         settings.options.diagnostics = "nvim_lsp";
       };
 
-
       none-ls = {
         enable = true;
         sources = {
@@ -372,6 +373,8 @@ in
       nvim-web-devicons
       vim-visual-multi
       vim-gh-line
+      # vim-bufkill
+      BufOnly-vim
     ];
 
     extraConfigLua = ''