Conversation list returns all conversations (#74)

* add api client with grpc kotlin

* fix only returning 100 conversations

Author: nplasterer

library/src/main/java/org/xmtp/android/library/Conversations.kt

@@ -213,9 +213,7 @@ data class Conversations(
 
     fun listInvitations(): List<SealedInvitation> {
         val envelopes = runBlocking {
-            client.apiClient.queryTopic(
-                topic = Topic.userInvite(client.address)
-            ).envelopesList
+            client.apiClient.envelopes(Topic.userInvite(client.address).description)
         }
         return envelopes.map { envelope ->
             SealedInvitation.parseFrom(envelope.message)

library/src/test/java/org/xmtp/android/library/MessageTest.kt

@@ -212,7 +212,7 @@ class MessageTest {
         }.build()
         val client = Client().create(account = PrivateKeyBuilder(key))
         val conversations = client.conversations.list()
-        assertEquals(100, conversations.size)
+        assertEquals(201, conversations.size)
     }
 
     @Test