feat: Add Home back, replace portalwiki with imgur

_includes/navigation.html

@@ -4,6 +4,7 @@
       <h2 class="nav-title">{{ site.title }}</h2>
     </a>
     <ul>
+      <li><a href="{{ '/' | prepend: relative_url }}">Home</a></li>
       <li><a href="{{ '/posts' | prepend: site.baseurl }}">Posts</a></li>
       <li><a href="{{ '/tags' | prepend: site.baseurl }}">Tags</a></li>
       <li><a href="{{ '/feed.xml' | prepend: site.baseurl }}">

demo-page.md

@@ -1,13 +1,12 @@
 ---
 layout: default
 title: "Cake Party!"
-toc: false
 ---
 
 # Welcome to the cake party!
 
-![](https://i1.theportalwiki.net/img/0/0a/Portal_Cake.png){: width="50%"}{:loading="lazy"}
+![](https://i.imgur.com/ZS4LFj8.png){: width="50%"}{:loading="lazy"}
 
 Sadly, the cake is a _lie_
 
-[Go Crying](../markdown){: .inline-button}
+[Go Crying](../demo){: .inline-button}