Add ko-fi link

README.md

@@ -2,6 +2,10 @@
 
 [![Open your Home Assistant instance and show the add add-on repository dialog with a specific repository URL pre-filled.](https://my.home-assistant.io/badges/supervisor_add_addon_repository.svg)](https://my.home-assistant.io/redirect/supervisor_add_addon_repository/?repository_url=https%3A%2F%2Fgithub.com%2FSavageCore%2FHA_Addons)
 
+Like my work? Consider buying me a coffee!
+
+[![ko-fi](https://ko-fi.com/img/githubbutton_sm.svg)](https://ko-fi.com/E1E6P7VIQ)
+
 ## Add-ons
 
 This repository contains the following add-ons

alexa_shopping_list_sync/README.md

@@ -5,6 +5,10 @@
 
 A Home Assistant add-on to sync Alexa shopping list with Home Assistant shopping list.
 
+Like my work? Consider buying me a coffee!
+
+[![ko-fi](https://ko-fi.com/img/githubbutton_sm.svg)](https://ko-fi.com/E1E6P7VIQ)
+
 ## Setup
 You must use an Amazon account that has 2-step verification enabled.