fix 🐛: Define user and password variables

This commit updates the `main.yml` file to explicitly define essential user and password variables. This ensures the application has the necessary credentials for proper operation and enhances security by centralizing configuration.  The changes improve the script's usability and setup process.

defaults/main.yml

@@ -7,7 +7,6 @@ allow_world_readable_tmpfiles: true
 
 
 ansible_user_id: root
-interactive_user:
-interactive_home:
-interactive_password:
-
+interactive_user: "{{ remote_user | default('ansible') }}"
+interactive_home: "/home/{{ interactive_user}}"
+interactive_password: "{{ test_password }}"