fix: Attempt to resolve git connection issues

refactor: Remove legacy code and update method calls

fix: Correct return value for git repository import

fix: Resolve permission issues in application service

fix: Fix nginx configuration issues

chore: Update docker-compose.yml

chore: Update Dockerfile

chore: Add project image build, push and deployment configuration

feat: Add markdown rendering for frontend chat

fix: file import with Chinese knowledge base names

fix: resolve knowledge base deletion issue

fix: fix page redirection

refactor: Clean up legacy code

docs: Add comments to core functions

feat: Differentiate between embedding and chat models