Update spacing for home screen action buttons

The spacing between action buttons on the home screen has been updated to 2dp.

Author: MihaiCristianCondrea

app/src/main/res/layout/fragment_home.xml

@@ -119,6 +119,7 @@
                             android:id="@+id/home_action_button_group"
                             style="@style/Widget.App.ButtonGroup"
                             android:layout_width="wrap_content"
+                            android:spacing="2dp"
                             android:layout_height="wrap_content">
 
                             <com.google.android.material.button.MaterialButton