fix first user creation bug

graph.sh

@@ -1,2 +1,2 @@
 #!/bin/bash
-madge --image graph.svg --exclude '^(common/async|fruitmix/models/models|fruitmix/lib/paths|fruitmix/middleware/auth)$' src/app.js
+madge --image graph.svg --exclude '^(common/broadcast|fruitmix/models/models|fruitmix/lib/paths|fruitmix/middleware/auth)$' src/app.js

src/fruitmix/lib/sidekick-client.js

@@ -7,7 +7,24 @@ const debug = require('debug')('sidekick-client')
 /**
 This is the sidekick client.
 
-@module sidekick-client
+@module sidekickClient
+*/
+
+/**
+This callback is displayed as part of the Requester class.
+
+```
+// http code -> error code
+// 200  ->  no error
+// 400  ->  EINVAL
+// 409  ->  EMISMATCH
+// 500  ->  no special error code
+```
+
+@callback uploadCallback
+@param {object} err
+@param {err.code} - translated http error code.
+@param {object} body - res.body.
 */
 
 /**
@@ -16,6 +33,11 @@ callback returns error or status code.
 It provides `abort` method. When aborted, the callback receives an error with `EABORT` error code.
 
 @param {object} query
+@param {string} query.path - must be an absolute path
+@param {number} query.size - expected size
+@param {string} [query.sha256] - if provided, the sha256 will checked.
+@param {number} [query.offset] - if provided, it is uploading a file chunk.
+@param {module:sidekickClient~uploadCallback} callback - `(err, obj) => {}`
 */
 const upload = (query, callback) => {
 
@@ -47,7 +69,6 @@ const upload = (query, callback) => {
 
     if (finished) return
     finished = true
-
     callback(err)
   })
 
@@ -60,7 +81,6 @@ const upload = (query, callback) => {
 
     let err = new Error('aborted')
     err.code = 'EABORT'
-
     callback(err)
   })