Add donation link to navigation bar

Author: vapidinfinity

src/components/navigation/Navbar.astro

@@ -6,6 +6,10 @@
       href="https://github.com/orgs/MythicApp/projects/2/views/2"
       target="_blank">Roadmap</a
     >
+    <a
+      href="https://ko-fi.com/blackxfiied"
+      target="_blank">Donate</a
+    >
     <a href="/faq">FAQ</a>
     <!-- <a aria-label="discord" href="https://discord.gg/58NZ7fFqPy"><Icon size={21} name="ic:baseline-discord" /></a> -->
     <a class="button" href="https://github.com/MythicApp/Mythic/releases">