correct code formatting and license header added

Signed-off-by: Andy Scherzinger <info@andy-scherzinger.de>

app/src/main/java/com/nextcloud/talk/events/OpenConversationEvent.kt

@@ -24,8 +24,8 @@ import android.os.Bundle
 import com.nextcloud.talk.models.json.conversations.Conversation
 
 class OpenConversationEvent {
-    var conversation : Conversation? = null
-    var bundle : Bundle? = null
+    var conversation: Conversation? = null
+    var bundle: Bundle? = null
 
     constructor(conversation: Conversation?, bundle: Bundle?) {
         this.conversation = conversation

app/src/main/java/com/nextcloud/talk/ui/dialog/ContactsBottomDialog.kt

@@ -1,3 +1,23 @@
+/*
+ * Nextcloud Talk application
+ *
+ * @author Marcel Hibbe
+ * Copyright (C) 2022 Marcel Hibbe <dev@mhibbe.de>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
 package com.nextcloud.talk.ui.dialog
 
 import android.app.Activity
@@ -39,7 +59,7 @@ class ContactsBottomDialog(
         executeEntryMenuController(bundle)
     }
 
-    private fun executeEntryMenuController(bundle : Bundle) {
+    private fun executeEntryMenuController(bundle: Bundle) {
         dialogRouter = Conductor.attachRouter(activity, binding.root, null)
 
         dialogRouter!!.pushController(
@@ -59,4 +79,4 @@ class ContactsBottomDialog(
     companion object {
         private const val TAG = "ContactsBottomDialog"
     }
-}
+}