Fix package name of FirestoreComponent.kt

[tomoya0x00]

Kind (Required)

• Other

  Overview (Required)

• Title say everything

• package io.github.droidkaigi.confsched2019.data.repository is wrong

  Links

• https://github.com/DroidKaigi/conference-app-2019/blob/master/data/firestore-impl/src/main/java/io/github/droidkaigi/confsched2019/data/firestore/FirestoreComponent.kt

[beta1139]

✋

[takahirom]

Thanks! Assigned 👍