Add gtag and fix icons height

lib/guide.js

@@ -2,23 +2,16 @@ import guides from "data/guides";
 import authors from "data/authors";
 import siteConfig from "data/site";
 
-
 export const getRequestedGuide = req => {
   const guide = guides.find(guide => guide.url === req.url);
   if (!guide) {
     return null;
   }
 
-  // We will use this URL format to find the relevant markdown
-  // file inside the `/data` directory. For example `/guides/learn-regex`
-  // has to have `/guides/learn-regex.md` file inside the `data` directory
-  const path = guide.url.replace(/^\//, '');
-
   try {
     return {
       ...guide,
       author: authors.find(author => author.username === guide.author) || {},
-      component: require(`../data/${path}.md`).default,
     };
   } catch (e) {
     console.log(e);