splits out configuration into central modules

modules/nvim/default.nix

@@ -0,0 +1,9 @@
+{ config, ... }:
+
+{
+  xdg.configFile."nvim" = {
+    # mkOutOfStoreSymlink needs an absolute path, otherwise it does not work: https://github.com/nix-community/home-manager/issues/676#issuecomment-1595795685
+    # TODO: At least make the location of the config folder dynamic so that it works on other machines
+    source = config.lib.file.mkOutOfStoreSymlink /Users/dennis/dev/nix-config/home/modules/nvim/config;
+  };
+}