feat(home-config): add default home configuration

- Introduced a default `home-manager` configuration for user setup.
- Enabled multiple CLI tools like `bash`, `fish`, `bat`, and `starship`.
- Configured `home.sessionPath` to include the user's bin directory.

homes/x86_64-linux/harald@nixtee1/default.nix

@@ -0,0 +1,19 @@
+{ config, ... }:
+{
+  home.sessionPath = [ "$HOME/bin" ];
+
+  metacfg = {
+    user = {
+      enable = true;
+      name = config.snowfallorg.user.name;
+    };
+    cli-apps = {
+      bash.enable = true;
+      fish.enable = true;
+      neovim.enable = false;
+      bat.enable = true;
+      starship.enable = true;
+      home-manager.enable = true;
+    };
+  };
+}