use nixvim module

systems/common-cli.nix

@@ -4,35 +4,49 @@
 
   time.timeZone = "Europe/Paris";
 
-  environment.systemPackages = with pkgs; [
-    # Editeurs
-    (neovim.override {
-      viAlias = true;
-      vimAlias = true;
-      configure = {
-        customRC = ''
-          set tabstop=8
-          set shiftwidth=4
-          set softtabstop=0
-          set expandtab
-          set smarttab
-          set background=dark
-          set mouse=
-        '';
-        packages.myVimPackage = with pkgs.vimPlugins; {
-          start = [
-            vim-startify
-            airline
-            sensible
-            polyglot
-            ale
-            fugitive
-          ];
-          opt = [ ];
+  programs.nixvim = {
+    enable = true;
+    viAlias = true;
+    vimAlias = true;
+    files = {
+      "ftplugin/nix.lua" = {
+        opts = {
+          tabstop = 8;
+          shiftwidth = 4;
+          softtabstop = 0;
+          expandtab = true;
+          smarttab = true;
+          background = "dark";
+          mouse = "";
         };
       };
-    })
+    };
+    plugins = {
+      lualine.enable = true;
+      lsp = {
+        enable = true;
+        servers = {
+          nixd.enable = true;
+          ruff.enable = true;
+        };
+      };
+      bufferline.enable = true;
+      telescope.enable = true;
+      which-key.enable = true;
+      treesitter.enable = true;
+      cmp = {
+        enable = true;
+        autoEnableSources = true;
+        settings.sources = [
+          { name = "nvim_lsp"; }
+          { name = "path"; }
+          { name = "buffer"; }
+        ];
+      };
+    };
+  };
 
+  environment.systemPackages = with pkgs; [
     # Gestionnaires de version
     tig
     gitAndTools.hub