Update README.md

-# mother project : Line ChatBot Translator<br>
+# Mother project : Line ChatBot Translator<br>
+## Advanced LINE Chatbot
+- Code is refactored entirely
+- We applied the lastest JS pattern for better readability
+- A comment is added for maintaining
+- It's not a local service. It's really working well in the server running time.
+- It provides more various languages compared to before version.
+
+### Adding LINE friends using a QR code
+![](QR.PNG)