feat(auth): add OAuth 2.0 authentication support

• Add OAuth token manager for secure API communications
• Implement OAuth configuration in AppSettings
• Add OAuth environment variables support
• Update documentation with OAuth setup instructions

Full Changelog: 7.0.1...7.0.2

feat(auth): implement token-based authentication

feat(auth): implement token-based authentication

• Add token authentication support as an alternative to username/password
• Update configuration models to include optional token field
• Modify socket.io authentication to use token when available
• Add documentation for token-based authentication setup

Note: Username/password authentication remains fully functional and unchanged

Full Changelog: https://github.com/oumlala/UptimeKumaRemoteProbe/commits/7.0.1

v6.0.2.1

v6.0.2.1 - Refined HTTP Status Reporting

• Updated status logic: "up" only for "OK", "down" for all other statuses
• Implemented PushUri_http with status, msg, and ping parameters
• Improved null-checking for HTTP responses