add: trace controller and router

app/controllers/trace/trace_users_controller.rb

@@ -0,0 +1,14 @@
+class Trace::TraceUsersController < Trace::BaseController
+  before_action :require_auth
+
+  def create  
+    if current_user.trace_token.present?
+      render_ok
+    else
+      render_error(-1,  "代码溯源用户初始化失败")
+    end
+  rescue Exception => exception
+    puts exception.message
+    normal_status(-1, exception.message)
+  end
+end