Added header links to markdown files

gatsby-config.js

@@ -5,7 +5,7 @@ module.exports = {
     siteUrl: `https://unicorn-utterances.com/`,
     disqusShortname: "unicorn-utterances",
     repoPath: "crutchcorn/unicorn-utterances",
-    relativeToPosts: "/content/blog",
+    relativeToPosts: "/content/blog"
   },
   plugins: [
     {
@@ -67,9 +67,18 @@ module.exports = {
               wrapperStyle: `margin-bottom: 1.0725rem`,
             },
           },
+          {
+            resolve: `gatsby-remark-autolink-headers`,
+            options: {
+              offsetY: `100`,
+              icon: `<svg aria-hidden="true" height="20" version="1.1" viewBox="0 0 16 16" width="20"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg>`,
+              maintainCase: true,
+              removeAccents: true,
+              enableCustomId: true
+            },
+          },
           `gatsby-remark-prismjs`,
-          `gatsby-remark-copy-linked-files`,
-          `gatsby-remark-smartypants`,
+          `gatsby-remark-copy-linked-files`
         ],
       },
     },