ref: local setup related changes in backend and frontend config
- Update
READMEto include instructions for setting up the frontend.env.localhost. - Add additional keys to the backend
config.ini.samplenecessary for local setup. - Add more keys to
front-end/.env.localhost.exampleto assist with local setup. - Include different environment frontend
.envfiles in.gitignore. - Remove frontend configuration files from git tracking, such as
.env.production,.env.toolforge, and.env.betacluster.