feat(webapi): add skeleton for User API

lumi2/__init__.py

@@ -49,7 +49,7 @@ def create_app(test_config=None):
     app.add_url_rule('/', endpoint='index')
 
     from . import webapi
-    api.add_resource(webapi.HelloWorld, '/api/hello')
+    api.add_resource(webapi.User, '/api/user/<string:username>')
     api.init_app(app)
 
     # TODO create OUs

lumi2/webapi.py

@@ -2,6 +2,10 @@ from flask import Blueprint
 from flask_restful import Resource
 
 
-class HelloWorld(Resource):
-    def get(self):
-        return {'hello': 'world'}
+import lumi2.ldap as ldap
+from lumi2.usermodel import User
+
+
+class User(Resource):
+    def get(self, username):
+        pass