update font awesome icons

Author: NuclearPhoenixx

_config.yml

@@ -144,10 +144,10 @@ footer:
       icon: "fab fa-fw fa-instagram"
       # url:
     - label: "Ko-fi"
-      icon: "fas fa-fw fa-heart"
+      icon: "fab fa-fw fa-ko-fi"
       url: "https://ko-fi.com/nuclearphoenix"
     - label: "Site Notice"
-      icon: "fas fa-fw fa-link"
+      icon: "fas fa-fw fa-section"
       url: "https://nuclearphoenix.xyz/legal/"
   since: "2022"