Add link to website and open source licenses

build.gradle.kts

@@ -13,6 +13,7 @@ buildscript {
         classpath("com.github.zellius:android-shortcut-gradle-plugin:0.1.2")
         classpath("org.jmailen.gradle:kotlinter-gradle:2.3.2")
         classpath("com.google.gms:google-services:4.3.3")
+        classpath("com.google.android.gms:oss-licenses-plugin:0.10.2")
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files
     }