update README

 ### 오픈소스sw개발 개인 프로젝트
 ## CHATBOT WITH CRAWLING
+
+front
+- [] Modify card component 
+- [] Remove card message on dialogflow
+- [] Modify Intent on dialogflow
+- [] Add additional functions on dialogflow
+- [] Show video list on front (card compo)
+
+back
+- [] Modify crawling.js to deal with null data
+- [] Dealing with Event queries
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