Fixed hrefs and img on homepage

src/includes/download-navigation.html

@@ -1,6 +1,6 @@
     <div id="navigation">
         <div class="wrapper">
-            <a href="/">
+            <a href="{{.WebAddress}}">
                 <img class="navimg" src="../images/HeadImg.png" alt="Brammp's Transfer.sh service">
                 <h1>{{.Hostname}}</h1>
             </a>

src/includes/navigation.html

@@ -1,7 +1,7 @@
     <div id="navigation">
         <div class="wrapper">
-            <a href="/">
+            <a href="{{.WebAddress}}">
-                <img class="navimg" src="../images/HeadImg.png" alt="Brammp's Transfer.sh service">
+                <img class="navimg" src="./images/HeadImg.png" alt="Brammp's Transfer.sh service">
                 <h1>transfer.sh@{{.Hostname}}</h1>
             </a>
         </div>