Merge pull request '新增 topic返回' (#215) from KingChan/forgeplus:pm_project_develop into pm_project_develop

app/views/organizations/projects/index.json.jbuilder

@@ -14,7 +14,6 @@ json.projects @projects.each do |project|
       json.name project.project_language.name
     end
   end
-
   json.category do
     if project.project_category.blank?
       json.nil!
@@ -23,4 +22,7 @@ json.projects @projects.each do |project|
       json.name project.project_category.name
     end
   end
+  json.topics project.project_topics.each do |topic|
+    json.(topic, :id, :name)
+  end
 end