SSO Integration, Authorization Enhancements, and Configuration Updates

[Bklzn]

Backend Changes:

• Simple Custom Authorization via Bearer for Handling OIDC: Implemented custom authorization using bearer tokens.
• Added User Collection: Introduced a user collection to manage user data.
• Added Azure Handling: Implemented handling for Azure-specific configurations.
• Config Client IDs Fix: Fixed issues with client IDs when they are None.
• Added Total Tokens to Transaction: Included total tokens in transaction schema and DTO.
• Fake Authorization for Test Purpose: Added fake authorization mechanisms for testing.
• SSO Authorization Switch: Enabled SSO authorization switching via SSO_AUTH environment variable.
• Embeddings Messages List: Added a list to store embeddings messages.
• Tokenization for Streaming Responses: Implemented tokenization for streaming responses.
• Tokenization Moved into Global Dependencies: Refactored tokenization into global dependencies.
• Google/Azure Integration Auth Info: Included authentication information for Google and Azure integrations in the configuration.
• Generation Speed as Null for Transactions with Output Tokens Equal 0: Set generation speed to null for such transactions.
• Fix for Auth in New Tests: Fixed authorization issues in new tests.

Frontend Changes:

• Add SSO Demo: Introduced a demo for Single Sign-On.
• Add SSO and Hide UI Environment Files: Integrated SSO and ensured UI environment files are hidden.
• Handle SSO Config: Managed SSO configuration settings.
• Fixes: Applied various minor fixes.
• Add SSO Variables to Docker Args: Included SSO variables in Docker arguments and fixed related Docker issues.
• Add Google SSO Docs: Added documentation for Google SSO integration.
• Add Microsoft Azure SSO Docs: Added documentation for Microsoft Azure SSO integration and relocated SSO configuration docs.
• Handle Disabled Authorization and Beautify SSO Buttons: Managed scenarios with disabled authorization and improved the appearance of SSO buttons.
• Add Proxy to Nginx: Configured Nginx to include a proxy.
• Fix Replacement Script & Handle Select SSO Provider: Improved the replacement script and managed SSO provider selection.

Configuration and Infrastructure Updates:

• Change the Way Env Variables are Passed to Vite.js: Adjusted how environment variables are passed to Vite.js due to its limitations in reading .env files.
• Fixes and Volume Mounting in Docker Compose: Added mounted volumes to Docker Compose and applied various fixes.
• Add .env.production: Introduced a production environment file.
• Rethinking the Docker Build: Enhanced support for changing the environment during Docker builds.
• Remove Empty Line: Cleaned up an empty line in the codebase.