🔧(swagger) activate swagger in staging

activate swagger in staging for devs from other teams to build interop
more easily

src/backend/people/settings.py

@@ -76,7 +76,10 @@ class Base(Configuration):
     """
 
     DEBUG = False
-    USE_SWAGGER = False
+    USE_SWAGGER = values.BooleanValue(
+        default=False,
+        environ_name="USE_SWAGGER",
+    )
 
     API_VERSION = "v1.0"
 
@@ -651,8 +654,6 @@ class Development(Base):
 
     SESSION_COOKIE_NAME = "people_sessionid"
 
-    USE_SWAGGER = True
-
     # this is a dev credentials for mail provisioning API
     MAIL_PROVISIONING_API_CREDENTIALS = "bGFfcmVnaWU6cGFzc3dvcmQ="