Amélioration des tooltips

- title/alt remplacés par des data-tooltip
- description de ce que font les boutons
- description des items survolés

templates/actor/dragon-tetes.html

@@ -2,11 +2,11 @@
 <h3>Tetes</h3>
 <ul class="item-list">
   {{#each tetes as |tete key|}}
-  <li class="item flexrow" data-attribute={{key}} data-item-id="{{tete._id}}">
-    <img class="sheet-competence-img" src="{{tete.img}}" />
+  <li class="item flexrow" data-attribute={{key}} data-item-id="{{tete._id}}" data-tooltip="Tête: {{tete.name}}">
+    <img class="sheet-competence-img" src="{{tete.img}}"/>
     <span class="item-edit flex-grow"><a>{{tete.name}}</a></span>
     <div class="item-controls flex-shrink">
-      <a class="item-delete" title="Delete Item"><i class="fas fa-trash"></i></a>
+      <a class="item-delete" data-tooltip="Delete Item"><i class="fas fa-trash"></i></a>
     </div>
   </li>
   {{/each}}