Add Brave extension link

[kieranroneill]

Summary

A new section that will display the link for the Brave browser. As Brave does not have a dedicated store, this will simply link to the Chrome store.

Acceptance criteria

Scenario 1: User downloads from Brave browser
GIVEN a User wants to download Kibisis for Brave
WHEN the User scrolls to the download section
AND the User clicks “Install“ under the Brave icon
THEN the User is redirected to the Chrome Web Store

Notes

• Use the Chrome Web Store link: https://chromewebstore.google.com/detail/kibisis/hcgejekffjilpgbommjoklpneekbkajb