vscode-dts: Add LineCommentConfig interface & update lineComment (#289457)

* vscode-dts: Add LineCommentConfig interface & update lineComment

* rename config to rule

---------

Co-authored-by: Aiday Marlen Kyzy <aidaymarlenkyzy@gmail.com>

src/vscode-dts/vscode.d.ts

@@ -6477,6 +6477,21 @@ declare module 'vscode' {
 	 */
 	export type CharacterPair = [string, string];
 
+	/**
+	 * Configuration for line comments.
+	 */
+	export interface LineCommentRule {
+		/**
+		 * The line comment token, like `//`
+		 */
+		comment: string;
+		/**
+		 * Whether the comment token should not be indented and placed at the first column.
+		 * Defaults to false.
+		 */
+		noIndent?: boolean;
+	}
+
 	/**
 	 * Describes how comments for a language work.
 	 */
@@ -6485,7 +6500,7 @@ declare module 'vscode' {
 		/**
 		 * The line comment token, like `// this is a comment`
 		 */
-		lineComment?: string;
+		lineComment?: string | LineCommentRule;
 
 		/**
 		 * The block comment character pair, like `/* block comment */`