NVIM: Added Code formatting for python

packages/default.nix

@@ -64,13 +64,17 @@ in
 
   config = {
     environment.systemPackages = (lib.attrVals [
+      "black"
       "btop"
+      "ccls"
       "eza"
       "fd"
+      "fzf"
       "git"
       "glib"
       "gnumake"
       "gnupg"
+      "mypy"
       "neofetch"
       "p7zip"
       "pinentry"
@@ -97,6 +101,7 @@ in
           customRC = builtins.readFile ../config/nvim/init.vim;
           packages.myVimPackage = with pkgs.vimPlugins; {
             start = [
+              conform-nvim
               bufferline-nvim
               cmp-nvim-lsp
               cmp_luasnip
@@ -113,6 +118,7 @@ in
               toggleterm-nvim
               tokyonight-nvim
               typst-vim
+              undotree
               vim-lsp-cxx-highlight
               which-key-nvim
             ];