Add multiline-comment-style lint rule and fix violations

Enable multiline-comment-style with starred-block to require JSDoc-style
block comments with content on separate lines from the opening delimiter.
Auto-fix existing violations across the codebase.

Fixes #5899

Co-authored-by: Daniel Imms <Tyriar@users.noreply.github.com>

src/browser/decorations/OverviewRulerRenderer.ts

@@ -1,7 +1,9 @@
-/*---------------------------------------------------------------------------------------------
+/*
+ *---------------------------------------------------------------------------------------------
  *  Copyright (c) Microsoft Corporation. All rights reserved.
  *  Licensed under the MIT License. See License.txt in the project root for license information.
- *--------------------------------------------------------------------------------------------*/
+ *--------------------------------------------------------------------------------------------
+ */
 
 import { ColorZoneStore, IColorZone, IColorZoneStore } from 'browser/decorations/ColorZoneStore';
 import { ICoreBrowserService, IRenderService, IThemeService } from 'browser/services/Services';
@@ -12,8 +14,10 @@ const enum Constants {
   OVERVIEW_RULER_BORDER_WIDTH = 1
 }
 
-// Helper objects to avoid excessive calculation and garbage collection during rendering. These are
-// static values for each render and can be accessed using the decoration position as the key.
+/*
+ * Helper objects to avoid excessive calculation and garbage collection during rendering. These are
+ * static values for each render and can be accessed using the decoration position as the key.
+ */
 const drawHeight = {
   full: 0,
   left: 0,