refactor: cp/rm -> mv

nix/mkNeovim.nix

@@ -66,15 +66,12 @@ with lib;
 
       buildPhase = ''
         mkdir -p $out/nvim
-        mkdir -p $out/lua
         rm init.lua
       '';
 
       installPhase = ''
-        cp -r after $out/after
+        mv after $out
-        rm -r after
+        mv lua $out
-        cp -r lua $out/lua
-        rm -r lua
         cp -r * $out/nvim
       '';
     };