Fix http urls

Author: yauhenipakala

README.md

@@ -2,7 +2,7 @@
 
 [Highlight.js](https://github.com/highlightjs/highlight.js) plugin for display language of syntax highlight.
 
-[DEMO](http://wcoder.github.io/highlightjs-lang.js/)
+[DEMO](https://wcoder.github.io/highlightjs-lang.js/)
 
 ## Install
 

index.html

@@ -11,7 +11,7 @@
   <meta property="og:url" content="https://wcoder.github.io/highlightjs-line-numbers.js/" />
   <meta property="og:site_name" content="Highlight.js plugin for display language of syntax highlight" />
 
-  <link rel="stylesheet" href="http://cdnjs.cloudflare.com/ajax/libs/highlight.js/11.3.1/styles/default.min.css">
+  <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/11.3.1/styles/default.min.css">
   <script src="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/11.3.1/highlight.min.js"></script>
   <!-- <script src="src/highlightjs-lang.js"></script> -->
   <script src="dist/highlightjs-lang.min.js"></script>