Update nixvim configuration to use unstable Neovim package

home/common/core/nixvim/default.nix

@@ -28,6 +28,7 @@
   ];
   programs.nixvim = {
     enable = true;
+    package = pkgs.unstable.neovim-unwrapped;
     enableMan = true; # install man pages for nixvim options
     clipboard.register = "unnamedplus"; # use system clipboard instead of internal registers
     globals.mapleader = " ";