Homepage: Add Links to github/twitter/slack/liquidfuture after 'Learn More' or in footer?

[kxrom]

On the homepage the following links are missing:

• github
• twitter
• slack
• liquidfuture.org

May add them after the 'Further reading' section?

liquid.us/components/Home.js

Line 255 in cd909b4

<h4 class="title is-4 reveal">Further Reading</h4>