feat(neovim): enable modeline support to be able to modify per-file settings

configuration.nix

@@ -1,10 +1,10 @@
+# vim: tabstop=2 shiftwidth=2 expandtab
 { pkgs, ... }: {
   imports = [
     ./hardware-configuration.nix
   ];
 
   environment.systemPackages = with pkgs; [
-    neovim
   ];
 
   programs.git = {
@@ -17,6 +17,18 @@
       core.editor = "nvim";
     };
   };
+  
+  programs.neovim = {
+    enable = true;
+    defaultEditor = true;
+    vimAlias = true;
+    viAlias = true;
+    configure = {
+      customRC = ''
+        set modeline
+      '';
+    };
+  };
 
   boot.tmp.cleanOnBoot = true;
   zramSwap.enable = true;