small edits to android kotlin tutorial text (#515)

Author: llazala000

source/includes/steps-tutorial-android-kotlin.yaml

@@ -150,7 +150,7 @@ ref: connect-to-your-mongodb-realm-app
 content: |
 
   Tasktracker uses the Gradle dependency management system to manage the
-  Realm Android SDK.The Maven and Ant build systems are not currently
+  Realm Android SDK. The Maven and Ant build systems are not currently
   supported.
 
   Android Studio projects contain two ``build.gradle`` files by default:

source/tutorial/android-kotlin.txt

@@ -20,7 +20,10 @@ tracker app that allows users to:
 
 - Register themselves with email and password.
 - Sign in to their account with their email and password and sign out later.
-- View, create, modify, and delete tasks.
+- View a list of projects they are a member of.
+- View, create, modify, and delete tasks in projects.
+- View a list of team members in their project.
+- Add and remove team members to their project.
 
 This tutorial should take around 30 minutes.