move haze home-manager config to shared modules

home/common.nix

@@ -0,0 +1,16 @@
+{
+  home.username = "rpqt";
+  home.homeDirectory = "/home/rpqt";
+
+  # This value determines the Home Manager release that your configuration is
+  # compatible with. This helps avoid breakage when a new Home Manager release
+  # introduces backwards incompatible changes.
+  #
+  # You should not change this value, even if you update Home Manager. If you do
+  # want to update the value, then make sure to first check the Home Manager
+  # release notes.
+  home.stateVersion = "24.11";
+
+  # Let Home Manager install and manage itself
+  programs.home-manager.enable = true;
+}