feat: add experimental YFM HTML Constructor extension

demo/.storybook/main.ts

@@ -27,7 +27,7 @@
         check: true,
         reactDocgen: 'react-docgen-typescript',
     },
     webpackFinal: (config) => {
         config.plugins?.push(
             new webpack.DefinePlugin({
                 __VERSION__: `'${pkg.version}-storybook'`,
@@ -37,12 +37,12 @@
             }),
         );
 
         config.resolve ||= {};
         config.resolve.alias ||= {};
         config.resolve.fallback ||= {};
 
         // Node.js polyfills for browser
         config.resolve.fallback = {
             ...config.resolve.fallback,
             fs: false,
             path: require.resolve('path-browserify'),
@@ -50,19 +50,23 @@
             process: require.resolve('process/browser'),
         };
 
         config.ignoreWarnings ||= [];
         config.ignoreWarnings.push(/\.js\.map$/);
         config.module ||= {};
         config.module.rules ||= [];
         config.module.rules.push({
             test: /\.(js|css)\.map$/,
             include: /node_modules/,
             type: 'asset/resource' as const,
             generator: {emit: false},
         });
+        config.module.rules.push({
+            test: /\.html$/,
+            type: 'asset/source' as const,
+        });
 
         config.watchOptions ||= {};
         config.watchOptions.ignored = /node_modules([\\]+|\/)+(?!@gravity-ui\/markdown-editor)/;
 
         return config;
     },