Highlight JSON syntax too

Author: pimterry

src/components/modules/block-code/components/code.tsx

@@ -10,6 +10,7 @@ import 'prismjs/components/prism-docker';
 import 'prismjs/components/prism-go';
 import 'prismjs/components/prism-dart';
 import 'prismjs/components/prism-yaml';
+import 'prismjs/components/prism-json';
 import React, { useEffect } from 'react';
 
 import type { BlockCodeProps } from '../block-code.types';