chore: use twoslash-eslint instead of playground

Author: ota-meshi

.gitignore

@@ -112,4 +112,5 @@ docs-svelte-kit/build
 /docs-svelte-kit/shim/assert.mjs
 /docs-svelte-kit/src/routes/*.md
 /docs-svelte-kit/src/routes/**/*.md
+/docs-svelte-kit/src/lib/rules-meta.js
 packages/eslint-plugin-svelte/README.md

docs-svelte-kit/build-system/build.ts

@@ -14,7 +14,8 @@ const config = [
 			'shim/assert.mjs',
 			'src/routes/*.md',
 			'src/routes/**/*.md',
-			'src/app.html'
+			'src/app.html',
+			'src/lib/rules-meta.js'
 		]
 	},
 	...myPlugin.config({

docs-svelte-kit/build-system/src/process-shim.mjs

@@ -16,6 +16,8 @@
     "@babel/types": "^7.25.8",
     "@fontsource/fira-mono": "^5.1.0",
     "@ota-meshi/eslint-plugin": "^0.17.5",
+    "@shikijs/markdown-it": "^1.24.0",
+    "@shikijs/twoslash": "^1.24.0",
     "@sindresorhus/slugify": "^2.2.1",
     "@sveltejs/adapter-static": "^3.0.5",
     "@sveltejs/kit": "^2.7.2",
@@ -56,9 +58,9 @@
     "stylus": "^0.64.0",
     "svelte": "^5.0.3",
     "svelte-adapter-ghpages": "0.2.2",
+    "twoslash-eslint": "^0.2.12",
     "util": "^0.12.5",
     "vite": "^6.0.0",
-    "vite-plugin-eslint4b": "^0.5.0",
     "vite-plugin-svelte-md": "^0.1.7"
   }
 }