Add Drawer navigation. Convert to multiple fragments shown with app drawer.

app/src/main/AndroidManifest.xml

@@ -11,10 +11,15 @@
         android:roundIcon="@mipmap/ic_launcher_round"
         android:supportsRtl="true"
         android:theme="@style/AppTheme">
-        <service
-            android:name=".SettingsService"
-            android:enabled="true"
-            android:exported="true"></service>
+        <activity
+            android:name=".DrawerActivity"
+            android:exported="false"
+            android:label="@string/title_activity_drawer"
+            android:theme="@style/AppTheme.NoActionBar">
+            <meta-data
+                android:name="android.app.lib_name"
+                android:value="" />
+        </activity>
 
         <activity
             android:name=".SettingsActivity"
@@ -25,11 +30,6 @@
                 android:value="" />
         </activity>
 
-        <service
-            android:name=".Tichu"
-            android:enabled="true"
-            android:exported="true" />
-
         <activity
             android:name=".MainActivity"
             android:exported="true"