fix: fix hover example

Signed-off-by: pmc <pangmengchen@gmail.com>

website/src/website/data/playground-samples/extending-language-services/hover-provider-example/sample.js

@@ -2,7 +2,7 @@ monaco.languages.register({ id: "mySpecialLanguage" });
 
 monaco.languages.registerHoverProvider("mySpecialLanguage", {
 	provideHover: function (model, position) {
-		return xhr("../playground.html").then(function (res) {
+		return xhr("./playground.html").then(function (res) {
 			return {
 				range: new monaco.Range(
 					1,