ui: allow using html in markdown

packages/ui-default/components/monaco/index.js

@@ -0,0 +1,32 @@
+import * as monaco from 'monaco-editor/esm/vs/editor/editor.api';
+
+monaco.languages.typescript.javascriptDefaults.setDiagnosticsOptions({
+  noSemanticValidation: false,
+  noSyntaxValidation: false,
+});
+monaco.languages.typescript.javascriptDefaults.setCompilerOptions({
+  target: monaco.languages.typescript.ScriptTarget.ES6,
+  allowNonTsExtensions: true,
+});
+const libSource = [
+  'declare function readline(): string;',
+  'declare function print(content: string): void;',
+].join('\n');
+const libUri = 'ts:filename/basic.d.ts';
+monaco.languages.typescript.javascriptDefaults.addExtraLib(libSource, libUri);
+monaco.editor.createModel(libSource, 'typescript', monaco.Uri.parse(libUri));
+monaco.languages.yaml.yamlDefaults.setDiagnosticsOptions({
+  validate: true,
+  enableSchemaRequest: true,
+  hover: true,
+  completion: true,
+  schemas: [
+    {
+      uri: '/manage/system-schema.json',
+      fileMatch: ['hydro://system/config.yaml'],
+    },
+    ...window.Context.schemas,
+  ],
+});
+
+export default monaco;