feat: remove markdown build helpers

package.json

@@ -14,7 +14,9 @@
 		"@solidjs/start": "^1.1.1",
 		"@tailwindcss/vite": "4.0.0",
 		"@vinxi/plugin-mdx": "^3.7.2",
+		"gray-matter": "^4.0.3",
 		"prismjs": "^1.29.0",
+		"rehype-prism-plus": "^2.0.1",
 		"remark-toc": "^9.0.0",
 		"solid-js": "^1.9.5",
 		"solid-mdx": "^0.0.7",
@@ -28,21 +30,15 @@
 	},
 	"devDependencies": {
 		"@biomejs/biome": "^1.9.4",
-		"@mapbox/rehype-prism": "^0.9.0",
 		"@mdx-js/rollup": "^3.1.0",
 		"@solidjs/meta": "^0.29.4",
 		"autoprefixer": "^10.4.20",
 		"dayjs": "^1.11.13",
-		"hast-util-to-string": "^3.0.1",
 		"http-server": "^14.1.1",
-		"refractor": "^4.8.1",
 		"rehype-mdx-code-props": "^3.0.1",
 		"remark-frontmatter": "^5.0.0",
 		"solid-jsx": "^1.1.4",
-		"to-vfile": "^8.0.0",
 		"typed-css-modules": "^0.9.1",
-		"unist-util-visit": "^5.0.0",
-		"vfile-matter": "^5.0.0",
 		"vite": "^6.1.1"
 	}
 }