More layering (#9111)

* move handling generated files to the serilization classes

* remove unneeded methods

* add more folders to strictire compile, add more strict compile options

* update ci

* wip

* add more layering and fix issues

* add more strictness

* remove unnecessary assertion

* add missing checks

* fix indentation

* wip

* remove jsdoc

* fix layering

* fix compile

* fix compile errors

* wip

* wip

* finish layering

* fix css

* more layering

* rip

* reworking results serializer

* move some files around

* move capabilities to platform wip

* implement capabilities register provider

* fix capabilities service

* fix usage of the regist4ry

* add contribution

* remove no longer good parts

* fix issues with startup

* another try

* fix startup

* fix imports

* fix tests

* fix tests

* fix more tests

* fix tests

* fix more tests

* fix broken test

* fix tabbing

* fix naming

src/sql/workbench/services/notebook/common/notebookConstants.ts

@@ -0,0 +1,16 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the Source EULA. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+
+export namespace nbversion {
+	/**
+	 * The major version of the notebook format.
+	 */
+	export const MAJOR_VERSION: number = 4;
+
+	/**
+	 * The minor version of the notebook format.
+	 */
+	export const MINOR_VERSION: number = 2;
+}