Implement terminal link handler API

Part of #91606

src/vs/workbench/api/common/extHost.api.impl.ts

@@ -564,6 +564,10 @@ export function createApiFactoryAndRegisterActors(accessor: ServicesAccessor): I
 				}
 				return extHostTerminalService.createTerminal(nameOrOptions, shellPath, shellArgs);
 			},
+			registerTerminalLinkHandler(handler: vscode.TerminalLinkHandler): vscode.Disposable {
+				checkProposedApiEnabled(extension);
+				return extHostTerminalService.registerLinkHandler(handler);
+			},
 			registerTreeDataProvider(viewId: string, treeDataProvider: vscode.TreeDataProvider<any>): vscode.Disposable {
 				return extHostTreeViews.registerTreeDataProvider(viewId, treeDataProvider, extension);
 			},