toggle off requests workflow with config option

atst/app.py

@@ -64,9 +64,12 @@ def make_app(config):
     make_error_pages(app)
     app.register_blueprint(bp)
     app.register_blueprint(workspace_routes)
-    app.register_blueprint(requests_bp)
     app.register_blueprint(task_orders_bp)
     app.register_blueprint(user_routes)
+
+    if app.config.get("REQUESTS_WORKFLOW"):
+        app.register_blueprint(requests_bp)
+
     if ENV != "prod":
         app.register_blueprint(dev_routes)
 
@@ -131,6 +134,7 @@ def map_config(config):
         "REQUIRE_CRLS": config.getboolean("default", "REQUIRE_CRLS"),
         "RQ_REDIS_URL": config["default"]["REDIS_URI"],
         "RQ_QUEUES": [config["default"]["RQ_QUEUES"]],
+        "REQUESTS_WORKFLOW": config.getboolean("default", "REQUESTS_WORKFLOW"),
     }