Google setup for auth and ENV setup

[VaibhavSingh8]

These env variables need to be created / updated for staging environment.

And these google creds need to be obtained by setting up Google OAuth

ENV='STAGING'
ALLOWED_HOSTS='staging-api.realdevsquad.com,services.realdevsquad.com'

RDS_BACKEND_BASE_URL='https://staging-api.realdevsquad.com' 
RDS_PUBLIC_KEY='rds-public-key-here'

GOOGLE_OAUTH_CLIENT_ID='google-client-id'
GOOGLE_OAUTH_CLIENT_SECRET='client-secret'

PRIVATE_KEY=""
PUBLIC_KEY=""

// if required: time in seconds
ACCESS_LIFETIME=""
REFRESH_LIFETIME=""