Revert "Remove Edge"

This reverts commit 7c9a09c.

Author: mymindstorm

README.md

@@ -2,9 +2,10 @@
 
 > Authenticator generates 2-Step Verification codes in your browser.
 
-## Available for Chrome and Firefox
+## Available for Chrome, Firefox, and Microsoft Edge
+
+[<img src="https://raw.githubusercontent.com/wiki/Authenticator-Extension/Authenticator/readme-images/chrome-web-store.png" title="Chrome Web Store" width="170" height="48" />](https://chrome.google.com/webstore/detail/authenticator/bhghoamapcdpbohphigoooaddinpkbai) [<img src="https://raw.githubusercontent.com/wiki/Authenticator-Extension/Authenticator/readme-images/firefox-add-ons.png" title="Firefox Add-ons" width="170" height="48" />](https://addons.mozilla.org/en-US/firefox/addon/auth-helper?src=external-github) [<img src="https://raw.githubusercontent.com/wiki/Authenticator-Extension/Authenticator/readme-images/microsoft-store.png" title="Microsoft Store" height="48">](https://microsoftedge.microsoft.com/addons/detail/ocglkepbibnalbgmbachknglpdipeoio)
 
-[<img src="https://raw.githubusercontent.com/wiki/Authenticator-Extension/Authenticator/readme-images/chrome-web-store.png" title="Chrome Web Store" width="170" height="48" />](https://chrome.google.com/webstore/detail/authenticator/bhghoamapcdpbohphigoooaddinpkbai) [<img src="https://raw.githubusercontent.com/wiki/Authenticator-Extension/Authenticator/readme-images/firefox-add-ons.png" title="Firefox Add-ons" width="170" height="48" />](https://addons.mozilla.org/en-US/firefox/addon/auth-helper?src=external-github)
 ## Build Setup
 
 ``` bash