update: fixes for development usage

config.sample.json

@@ -0,0 +1,12 @@
+{
+  "xmpp": "https://jabber.happy-dev.fr/http-bind/",
+  "authority": "http://localhost:8000/",
+  "endpoints": {
+    "circles": "http://localhost:8000/circles/",
+    "groups": "http://localhost:8000/groups/",
+    "joboffers": "http://localhost:8000/job-offers/",
+    "projects": "http://localhost:8000/projects/",
+    "skills": "http://localhost:8000/skills/",
+    "users": "http://localhost:8000/users/"
+  }
+}