frontend URLs: ./resources -> /resources

This patch was created by:
find ./frontend -type f -exec sed -i 's|\./resources|/resources|g' {} \;

frontend/src/app/components/about/about.component.html

@@ -2,7 +2,7 @@
 
   <div class="intro">
     <span style="margin-left: auto; margin-right: -20px; margin-bottom: -20px">&trade;</span>
-    <img class="logo" src="./resources/mempool-logo-bigger.png" />
+    <img class="logo" src="/resources/mempool-logo-bigger.png" />
     <div class="version">
       v{{ packetJsonVersion }} [<a href="https://github.com/mempool/mempool/commit/{{ frontendGitCommitHash }}">{{ frontendGitCommitHash }}</a>]
     </div>