Provide complete openapi.yml in read the docs

- Seperate openapi.yml for code gen and read the docs
- Added few env varaibles in docker-compose.yml

Issue-ID: CPS-733
Signed-off-by: Renu Kumari <renu.kumari@bell.ca>
Change-Id: Ibda007c40396436a5adce137d9f69806100253dc
6 files changed