Added GPLv3 to EULA

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

@@ -45,4 +45,15 @@
         android:textAppearance="@style/TextAppearance.AppCompat.Small"
         app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintTop_toBottomOf="@id/tvEulaTitle" />
+
+    <TextView
+        android:id="@+id/tvGplV3"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="12dp"
+        android:text="@string/title_gplv3"
+        android:textAppearance="@style/TextAppearance.AppCompat.Small"
+        android:textStyle="italic"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@id/tvEula" />
 </androidx.constraintlayout.widget.ConstraintLayout>

app/src/main/res/values/strings.xml

@@ -122,6 +122,7 @@
 
     <string name="title_welcome">Welcome</string>
     <string name="title_eula">End-user license agreement</string>
+    <string name="title_gplv3" translatable="false">GNU General Public License - Version 3</string>
     <string name="title_agree">I agree</string>
     <string name="title_disagree">I disagree</string>