restructure html templates

http/views/play/play.html

@@ -7,4 +7,4 @@
 
 <p style="margin-top: 20px"><a href="/" class="btn btn-primary">Back to Softwares</a></p>
 
-{{end}}
+{{end}}

http/views/software/index.html

@@ -25,4 +25,4 @@
     </div>
     {{end}}
 </div>
-{{end}}
+{{end}}