feat: init diagnostic tab

luci-app-podkop/htdocs/luci-static/resources/view/podkop/diagnostic.js

@@ -0,0 +1,22 @@
+'use strict';
+'require baseclass';
+'require form';
+'require ui';
+'require uci';
+'require fs';
+'require view.podkop.main as main';
+
+function createDiagnosticContent(section) {
+    const o = section.option(form.DummyValue, '_mount_node');
+    o.rawhtml = true;
+    o.cfgvalue = () => {
+        main.initDiagnosticController();
+        return main.renderDiagnostic();
+    };
+}
+
+const EntryPoint = {
+    createDiagnosticContent,
+};
+
+return baseclass.extend(EntryPoint);