♻️ [shared] Moved Hm configs to shared base

shared/base/home-manager/home-manager.nix

@@ -0,0 +1,20 @@
+{
+  outputs,
+  systemConfig,
+  common,
+  ...
+}:
+
+{
+  home = {
+    username = systemConfig.username;
+    homeDirectory = common.dir.home;
+    stateVersion = systemConfig.version;
+  };
+
+  # Adds pkgs.unstable in order to fetch packages from unstable repositories
+  nixpkgs.overlays = [ outputs.overlays.unstable-packages ];
+
+  # Let Home Manager install and manage itself.
+  programs.home-manager.enable = true;
+}