Moved rocketchat role to another repository

playbooks/rocketchat.yml

roles/rocketchat/.editorconfig

roles/rocketchat/.gitignore

roles/rocketchat/README.md

roles/rocketchat/defaults/main.yml

roles/rocketchat/handlers/main.yml

roles/rocketchat/meta/.galaxy_install_info

roles/rocketchat/meta/main.yml

roles/rocketchat/molecule/default/Dockerfile.j2

roles/rocketchat/molecule/default/molecule.yml

roles/rocketchat/molecule/default/playbook.yml

roles/rocketchat/molecule/default/tests/test_default.py

roles/rocketchat/requirements.dev.in

roles/rocketchat/requirements.dev.txt

roles/rocketchat/requirements.in

roles/rocketchat/requirements.txt

roles/rocketchat/tasks/main.yml

roles/rocketchat/templates/rocketchat.service.j2