MiniMask is a Chrome extension that gives Users a basic wallet
AND Minima functionality that can be accessed from a webpage
The GitHub repo is hosted at https://github.com/minima-global/minimask
To install..
Download this zip file minimask-2.5.zip
Unzip this file into your Documents folder
Enable Developer mode in chrome://extensions
Use Load Unpacked from that page and select the extracted folder
Once you have done that you can check out the examples on this site
Personally - I set the extension permission to enable when "You click on the extension"
Check out the Help section to see how you can USE MiniMask on your site