Inital platform relayering (#6385)

* moving test files and inital refactoring

* relayer extension host code

* fix imports

* make insights work

* relayer dashboard

* relayer notebooks

* moveing more code around

* formatting

* accept angular as browser

* fix serializer

* add missing files

* remove declarations from extensions

* fix build errors

* more relayering

* change urls to relative to help code relayering

* remove layering to prep for merge

* fix hygiene errors

* fix hygiene errors

* fix tests

src/sql/workbench/api/common/extHostExtensionManagement.ts

@@ -0,0 +1,22 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the Source EULA. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+
+import { IMainContext } from 'vs/workbench/api/common/extHost.protocol';
+
+import { ExtHostExtensionManagementShape, MainThreadExtensionManagementShape, SqlMainContext } from 'sql/workbench/api/common/sqlExtHost.protocol';
+
+
+export class ExtHostExtensionManagement implements ExtHostExtensionManagementShape {
+
+	private readonly _proxy: MainThreadExtensionManagementShape;
+
+	constructor(_mainContext: IMainContext) {
+		this._proxy = _mainContext.getProxy(SqlMainContext.MainThreadExtensionManagement);
+	}
+
+	$install(vsixPath: string): Thenable<string> {
+		return this._proxy.$install(vsixPath);
+	}
+}