feat(env): add example environment configuration file

Author: tahzeer

iam-staff-portal-api/.env.example

@@ -0,0 +1,20 @@
+IAM_STAFF_AUTH_REDIS_URL=redis://localhost:6379/0
+IAM_STAFF_AUTH_TRANSACTION_STORE_BACKEND=redis
+
+IAM_STAFF_DB_DRIVER=postgresql+asyncpg
+IAM_STAFF_DB_HOSTNAME=localhost
+IAM_STAFF_DB_USERNAME=postgres
+IAM_STAFF_DB_PASSWORD=password
+IAM_STAFF_DB_DBNAME=iam_staff
+IAM_STAFF_DB_PORT=5432
+
+IAM_STAFF_OPENAPI_ROOT_PATH=/
+
+IAM_STAFF_LOGIN_PROVIDERS_TABLE_ENABLED=true
+IAM_STAFF_LOGIN_PROVIDERS_TABLE_NAME=login_providers
+IAM_STAFF_AUTH_ENABLED=true
+IAM_STAFF_AUTH_COOKIE_HTTPONLY=true
+IAM_STAFF_AUTH_COOKIE_PATH=/
+IAM_STAFF_AUTH_COOKIE_DOMAIN=.example.com
+IAM_STAFF_AUTH_COOKIE_MAX_AGE=1800
+IAM_STAFF_AUTH_COOKIE_SET_EXPIRES=true