chore(root): renameproject to config and update configuration files

Enhancements:
- Rename project name from "." to "config" in .djinit and .env.sample
- Update DJANGO_SETTINGS_MODULE references from core to config
- Adjust Procfile, justfile, manage.py, and pyproject.toml to reference config
- Refactor README to reflect new folder layout under config/
- Remove LICENSE file

manage.py

@@ -11,7 +11,7 @@ import environ
 
 def main():
     """Run administrative tasks."""
-    os.environ.setdefault("DJANGO_SETTINGS_MODULE", os.getenv("DJANGO_SETTINGS_MODULE", "core.settings.production"))
+    os.environ.setdefault("DJANGO_SETTINGS_MODULE", os.getenv("DJANGO_SETTINGS_MODULE", "config.settings.production"))
 
     try:
         from django.core.management import execute_from_command_line