Add appModule for Spring Tool Suite 4 (PR #10339)

This simply imports module for Eclipse. 
Fixes: #10001

source/appModules/springtoolsuite4.py

@@ -0,0 +1,13 @@
+# -*- coding: UTF-8 -*-
+# A part of NonVisual Desktop Access (NVDA)
+# Copyright (C) 2019 NV Access Limited, Łukasz Golonka
+# This file may be used under the terms of the GNU General Public License, version 2 or later.
+# For more details see: https://www.gnu.org/licenses/gpl-2.0.html
+
+""" App module for Spring Tool Suite version 4
+This simply uses the app module for Eclipse.
+"""
+
+# Normally these Flake8 errors shouldn't be ignored but here we are simply reusing existing ap module.
+
+from .eclipse import *  # noqa: F401, F403