feat(logo): integrate logo into header, mobile menu, and footer

partials/footer.hbs

@@ -1,7 +1,11 @@
 <footer class="text-[var(--text-secondary)] bg-[var(--bg-primary)] body-font">
     <div class="container px-5 py-8 mx-auto flex items-center sm:flex-row flex-col">
         <a href="{{@site.url}}" class="flex title-font font-medium items-center md:justify-start justify-center text-[var(--text-primary)]">
-            <span class="ml-3 text-xl">{{@site.title}}</span>
+            {{#if @site.logo}}
+                <img src="{{@site.logo}}" alt="{{@site.title}}" class="h-8 w-auto site-logo">
+            {{else}}
+                <img src="{{asset "images/palina.png"}}" alt="{{@site.title}}" class="h-8 w-auto site-logo">
+            {{/if}}
         </a>
         <p class="text-sm text-[var(--text-secondary)] sm:ml-4 sm:pl-4 sm:border-l-2 sm:border-[var(--bg-secondary)] sm:py-2 sm:mt-0 mt-4">
             © {{date format="YYYY"}} {{@site.title}} — Powered by Ghost