create graph api client to handle requests

db/structure.sql

@@ -1758,7 +1758,8 @@ CREATE TABLE public.users (
     time_zone character varying DEFAULT 'UTC'::character varying NOT NULL,
     microsoft_access_token character varying,
     microsoft_refresh_token character varying,
-    microsoft_token_expires_at integer
+    microsoft_token_expires_at integer,
+    microsoft_user_id character varying
 );
 
 
@@ -3970,6 +3971,7 @@ INSERT INTO "schema_migrations" (version) VALUES
 ('20200720131309'),
 ('20200721140821'),
 ('20200725231419'),
-('20200810140331');
+('20200810140331'),
+('20200812161119');