Create applinking.json (#177)

增加applinking配置

Author: FrankHan052176

public/.well-known/applinking.json

@@ -0,0 +1,9 @@
+{
+ "applinking": {
+   "apps": [
+     {
+       "appIdentifier": "6917581172490635834"
+     }
+   ]
+ }
+}