Support multiple scopes

[skydoves]

Support multiple scopes

Blueprint:

@FirstScope
@SecondScope
class MainActivity {
  // share on the @FirstScope
  @ShareProperty(key = "name", scope = FirstScope::class.java)
  private var username = ChamberProperty("skydoves")

   // share on the @SecondScope
  @ShareProperty(key = "name2", scope = SecondScope::class.java) // name is a key name.
  private var username2 = ChamberProperty("skydoves")

  // .. //

  @PropertyObserver(key = "name", , scope = FirstScope::class.java)
  fun nickNameObserver(nickname: String) {
    Log.d("MainActivity", "nickNameObserver: $nickname")
  }
}

@SecondScope
class SecondActivity {
  // share on the @SecondScope
  @ShareProperty(key = "name2") // name is a key name.
  private var username2 = ChamberProperty("skydoves")
}