initialized extension with basic functionality

vendor/highlightjs/languages/json.min.js

@@ -0,0 +1,8 @@
+/*! `json` grammar compiled for Highlight.js 11.11.1 */
+(()=>{var e=(()=>{"use strict";return e=>{const a=["true","false","null"],s={
+scope:"literal",beginKeywords:a.join(" ")};return{name:"JSON",aliases:["jsonc"],
+keywords:{literal:a},contains:[{className:"attr",
+begin:/"(\\.|[^\\"\r\n])*"(?=\s*:)/,relevance:1.01},{match:/[{}[\],:]/,
+className:"punctuation",relevance:0
+},e.QUOTE_STRING_MODE,s,e.C_NUMBER_MODE,e.C_LINE_COMMENT_MODE,e.C_BLOCK_COMMENT_MODE],
+illegal:"\\S"}}})();hljs.registerLanguage("json",e)})();