Add simple tpl for each php

Change the home.css to common.css

onyx/tpl/bootstrap/teams/exercice.tpl

@@ -0,0 +1,19 @@
+{extends file="layout-nav.tpl"}
+
+{block name=head}
+<link href="/css/common.css" rel="stylesheet">
+{/block}
+
+{block name=content}
+<!-- TODO: resolved number -->
+<div>
+<h1>Exercice {$Number} - X</h1>
+<ul>
+    <li>Difficulté : {$Exercice->statement}</li>
+    <li>Gain :</li>
+    <!-- Dowloads files -->
+    <li>Description</li>
+    <!-- Input solution -->
+<ul>
+
+{/block}