move user edit routes into their own module and blueprint

atst/app.py

@@ -15,6 +15,7 @@ from atst.routes import bp
 from atst.routes.workspaces import bp as workspace_routes
 from atst.routes.requests import requests_bp
 from atst.routes.dev import bp as dev_routes
+from atst.routes.users import bp as user_routes
 from atst.routes.errors import make_error_pages
 from atst.domain.authnid.crl import CRLCache
 from atst.domain.auth import apply_authentication
@@ -57,6 +58,7 @@ def make_app(config):
     app.register_blueprint(bp)
     app.register_blueprint(workspace_routes)
     app.register_blueprint(requests_bp)
+    app.register_blueprint(user_routes)
     if ENV != "prod":
         app.register_blueprint(dev_routes)