Indiciate that initialization can take longer than 20 minutes (#116)

Author: agners

rootfs/usr/share/www/index.html

@@ -19,7 +19,7 @@
   <div class="content">
     <div class="state-normal">
       <h1>Preparing <span class="no-break">Home Assistant</span></h1>
-      <h2>This may take up to 20 minutes</h2>
+      <h2>This may take 20 minutes or more</h2>
       <div class="loading">
         <div class="progress">
           <div class="indeterminate"></div>