Update and rename languagetool_reviewdog.py to clean-mdx.js

Author: CookieSource

.github/scripts/clean-mdx.js

@@ -0,0 +1,19 @@
+// scripts/clean-mdx.js
+import fs from 'fs/promises';
+import { remark } from 'remark';
+import remarkMdx from 'remark-mdx';
+import strip from 'strip-markdown';
+
+const filePath = process.argv[2];
+if (!filePath) {
+  console.error('No file path provided.');
+  process.exit(1);
+}
+
+const mdx = await fs.readFile(filePath, 'utf8');
+const file = await remark()
+  .use(remarkMdx)
+  .use(strip)
+  .process(mdx);
+
+console.log(String(file));