* create data-provider package and move code from data-provider folder to be shared between apps
* fix type issues
* add packages to ignore
* add new data-provider package to apps
* refactor: change client imports to use @librechat/data-provider package
* include data-provider build script in frontend build
* fix type issue after rebasing
* delete admin/package.json from this branch
* update test ci script to include building of data-provider package
* Try using regular build for test action
* Switch frontend-review back to build:ci
* Remove loginRedirect from Login.tsx
* Add ChatGPT back to EModelEndpoint
* build/refactor: move lint/prettier packages to project root, install husky, add pre-commit hook
* refactor: reformat files
* build: put full eslintrc back with all rules