extensions/extension-editing/src/extensionEditingMain.ts/activate
export function activate(context: vscode.ExtensionContext) {
	const registration = vscode.languages.registerDocumentLinkProvider({ language: 'typescript', pattern: '**/vscode.d.ts' }, _linkProvider);
	context.subscriptions.push(registration);

	//package.json suggestions
	context.subscriptions.push(registerPackageDocumentCompletions());

	context.subscriptions.push(new ExtensionLinter());
}