Added base module functionality:
- 📦 **Private Composer Repository Management**
  - Add and manage repositories
  - Support for public and private repositories
  - Flexible Satis configuration management

- 🔐 **Client Access & Authentication**
  - Generate **JWT tokens**
  - Generate **Base64 (HTTP Basic Auth) tokens**
  - Assign tokens to specific clients or repositories
  - Revoke or rotate access tokens at any time

- 🔑 **auth.json Management**
  - Centralized management of Composer `auth.json`
  - Support for HTTP Basic Auth, GitHub tokens, GitLab tokens, and other Composer authentication methods
  - Secure storage and controlled distribution of credentials to clients

- 🔄 **Repository Rebuilds**
  - Manual repository rebuild via the Drupal UI
  - Automatic rebuilds via **webhooks**
  - Designed for CI/CD workflows

- ⚙️ **Satis Integration**
  - Automatic generation of `satis.json`
  - Trigger Satis builds directly from Drupal
  - Monitor and control build results