add basic github api

schafkopf-os/templates/index.html

@@ -10,12 +10,11 @@
   <main class="container">
     <h1>{{ title }}</h1>
     <p class="lead">{{ message }}</p>
-    <p class="version">Version: {{ version }}</p>
+    <p class="version">Schafkopf OS Version: {{ version }}</p>
 
     <section class="card">
       <h2>API Test</h2>
       <button id="pingBtn">Ping API</button>
-      <button id="versionBtn">Get Version</button>
       <pre id="result">Waiting…</pre>
     </section>
   </main>