Add Apollo Android and Guide schema

Author: lorensr

app/build.gradle.kts

@@ -2,6 +2,11 @@ plugins {
     id("com.android.application")
     id("kotlin-android")
     id("androidx.navigation.safeargs.kotlin")
+    id("com.apollographql.apollo").version("2.2.2")
+}
+
+apollo {
+    generateKotlinModels.set(true)
 }
 
 android {
@@ -43,4 +48,6 @@ dependencies {
     implementation("androidx.navigation:navigation-fragment-ktx:2.3.0")
     implementation("androidx.navigation:navigation-ui-ktx:2.3.0")
     implementation("com.google.android.material:material:1.3.0-alpha01")
+    implementation("com.apollographql.apollo:apollo-runtime:2.2.2")
+    implementation("com.apollographql.apollo:apollo-coroutines-support:2.2.2")
 }