Add favicon

[cgcardona]

Summary

Get the favicon from https://www.bitbox.earth and add it to this page.

Steps

1. Install jekyll
2. Clone the repo
3. Get the favicon assets and from the bitbox.earth assets folder
4. Use the following code to add favicons to blog
5. Run locally: bundle exec jekyll serve
6. Confirm you see the favicon at: http://127.0.0.1:4000/bitblog/

<link rel="apple-touch-icon" sizes="57x57" href="assets/apple-icon-57x57.png">
    <link rel="apple-touch-icon" sizes="57x57" href="assets/apple-icon-57x57.png">
    <link rel="apple-touch-icon" sizes="60x60" href="assets/apple-icon-60x60.png">
    <link rel="apple-touch-icon" sizes="72x72" href="assets/apple-icon-72x72.png">
    <link rel="apple-touch-icon" sizes="76x76" href="assets/apple-icon-76x76.png">
    <link rel="apple-touch-icon" sizes="114x114" href="assets/apple-icon-114x114.png">
    <link rel="apple-touch-icon" sizes="120x120" href="assets/apple-icon-120x120.png">
    <link rel="apple-touch-icon" sizes="144x144" href="assets/apple-icon-144x144.png">
    <link rel="apple-touch-icon" sizes="152x152" href="assets/apple-icon-152x152.png">
    <link rel="apple-touch-icon" sizes="180x180" href="assets/apple-icon-180x180.png">
    <link rel="icon" type="image/png" sizes="192x192"  href="assets/android-icon-192x192.png">
    <link rel="icon" type="image/png" sizes="32x32" href="assets/favicon-32x32.png">
    <link rel="icon" type="image/png" sizes="96x96" href="assets/favicon-96x96.png">
    <link rel="icon" type="image/png" sizes="16x16" href="assets/favicon-16x16.png">

Bounty

$10 paid in $BCH on approved and merged pull request.

[Tashuuuu]

Is it still open? If yes, then I would like to work on it.