Add RSS feed to footer and page. Fix #8

src/lib/components/FooterComponent.svelte

@@ -1,5 +1,6 @@
 <script>
   import git from '$lib/assets/git-branch-fill.svg';
+  import rss from '$lib/assets/rss-fill.svg';
 </script>
 
 <div class="footer">
@@ -11,7 +12,14 @@
     <div>
         <a href="https://phlaym.net/git/phlaym/moshing-mammut">
             <img alt="Git branch" src={git} class="icon" />
-            Source Code&nbsp;
+            Source Code
+        </a>
+    </div>
+    |
+    <div>
+        <a href="/feed.xml">
+            <img alt="RSS" src={rss} class="icon" />
+            RSS Feed
         </a>
     </div>
 </div>