GPIO control.

Bug fix.

.idea/misc.xml

@@ -1,4 +1,3 @@
-<?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
   <component name="ExternalStorageConfigurationManager" enabled="true" />
   <component name="MavenProjectsManager">

src/main/java/Web/WebServer.java

@@ -36,6 +36,8 @@ public class WebServer {
         this.webusername = webusername;
         this.webpassword = webpassword;
         app = Javalin.create(config -> {
+            config.useVirtualThreads = true;
+
             config.staticFiles.add("/html");
             config.router.apiBuilder(()-> path("setting", () ->{
                 get(ctx -> ctx.json(SettingInfo.getInstance()));