docker-compose.yml renamed to sample.docker-compose.yml.
docker-compose.yml added to .gitignore so every developer can copy it from sample.docker-compose.yml and make changes according to their local needs.
docs(Docker): Updated docs for Docker install.
Added Docker specific installation instructions.
docs(Docker): Applied changes requested on PR.
Extra 8000 port forwarding removed.
Mongo db configuration moved inside dokcer-compose config.
Cleanup spacing and typos.
docs(Docker): Added docker and docker-compose installation links.
