新增：初始化项目搜索标签脚本

lib/tasks/init_project_topic.rake

@@ -0,0 +1,21 @@
+# 执行示例 bundle exec rake init_project_topic:project
+# RAILS_ENV=production bundle exec rake init_project_topic:project
+
+namespace :init_project_topic do
+  desc "Init Project Topic for Project"
+  task project: :environment do
+    Project.find_each do |p| 
+      next if p.project_topics.size >= 3
+      languages = $gitea_client.get_repos_languages_by_owner_repo(p.owner.login, p.identifier)
+      topic_count = p.project_topics.size 
+      languages.each do |k, _|
+        next if topic_count >= 3
+        project_topic = ProjectTopic.find_or_create_by!(name: k.downcase)
+        project_topic_ralate = project_topic.project_topic_ralates.find_or_create_by!(project_id: p.id)
+        if project_topic.present? && project_topic_ralate.present? 
+          topic_count +=1
+        end
+      end
+    end
+  end
+end