[neovim] moves config into the neovim subdir

home-manager/features/development.nix

@@ -4,6 +4,6 @@
     ./git.nix
     ./shell.nix
     ./terminal.nix
-    ./neovim.nix
+    ./neovim
   ];
 }

home-manager/features/neovim/default.nix

@@ -41,7 +41,7 @@ in
   };
 
   home.file.".config/nvim" = {
-    source = ./config/neovim;
+    source = ./config;
     recursive = true;
   };
 }