Add ChatListFragment.

app/src/main/java/chat/rocket/android/app/chatlist/ChatListFragment.kt

+package chat.rocket.android.app.chatlist
+
+import android.app.Fragment
+import android.os.Bundle
+import android.support.v7.widget.DividerItemDecoration
+import android.support.v7.widget.LinearLayoutManager
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import chat.rocket.android.R
+import kotlinx.android.synthetic.main.fragment_chat_list.*
+
+class ChatListFragment : Fragment() {
+
+    override fun onCreateView(inflater: LayoutInflater?, container: ViewGroup?, savedInstanceState: Bundle?): View? = inflater?.inflate(R.layout.fragment_chat_list, container, false)
+
+    override fun onViewCreated(view: View?, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+
+        showChatList()
+    }
+
+    fun showChatList() {
+        val dumpUser1 = Chat("https://open.rocket.chat/avatar/filipe.brito", "Filipe Brito", "Type something...Type something...Type something", "11:45", 150)
+        val dumpUser2 = Chat("https://open.rocket.chat/avatar/leonardo.aramaki", "Leonardo Aramaki", "Type something", "11:44", 1)
+        val dumpUser3 = Chat("https://open.rocket.chat/avatar/lucio.maciel", "Lucio Maciel", "Type something", "11:40", 0)
+
+        val dumpData = arrayListOf(dumpUser1, dumpUser2, dumpUser3)
+        val context = activity.applicationContext
+        recycler_view.adapter = ChatListAdapter(dumpData, context)
+        recycler_view.layoutManager = LinearLayoutManager(context, LinearLayoutManager.VERTICAL, false)
+        recycler_view.addItemDecoration(DividerItemDecoration(activity, DividerItemDecoration.VERTICAL))
+    }
+}
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