Add Discuss URL.

README.md

@@ -2,7 +2,7 @@
 
 ![License](https://img.shields.io/badge/license-MIT-blue.svg) [![Latest Stable Version](https://img.shields.io/packagist/v/rob006/flarum-ext-last-post-avatar.svg)](https://packagist.org/packages/rob006/flarum-ext-last-post-avatar) [![Total Downloads](https://img.shields.io/packagist/dt/rob006/flarum-ext-last-post-avatar.svg)](https://packagist.org/packages/rob006/flarum-ext-last-post-avatar)
 
-A [Flarum](http://flarum.org) extension. Displays avatar of last post author on discussions list.
+A [Flarum](https://flarum.org) extension. Displays avatar of last post author on discussions list.
 
 **Before**:
 
@@ -33,4 +33,4 @@ php flarum cache:clear
 
 - [Packagist](https://packagist.org/packages/rob006/flarum-ext-last-post-avatar)
 - [GitHub](https://github.com/rob006-software/flarum-ext-last-post-avatar)
-- [Discuss](https://discuss.flarum.org/d/PUT_DISCUSS_SLUG_HERE)
+- [Discuss](https://discuss.flarum.org/d/32368-last-post-avatar)