Add missing header status code (linked to backend issue #19)

types/Dojo/DojoStatusCode.ts

@@ -2,6 +2,7 @@ enum DojoStatusCode {
     LOGIN_FAILED                        = 1,
     REFRESH_TOKENS_FAILED               = 2,
     CLIENT_NOT_SUPPORTED                = 100,
+    CLIENT_HEADER_MISSING               = 101,
     CLIENT_VERSION_NOT_SUPPORTED        = 110,
     ASSIGNMENT_PUBLISH_NO_PIPELINE      = 200,
     ASSIGNMENT_PUBLISH_PIPELINE_FAILED  = 201,