ui: default avatar added

New template created

src/templates/hd-user-avatar.pug

@@ -0,0 +1,3 @@
+sib-widget(name='hd-user-avatar')
+  template
+    img(name="${name}",src="\${value || '/images/alien.jpg'}",style="max-width:100%; max-height: 100%;")

src/templates/template-team.pug

@@ -1,9 +1,11 @@
+include hd-user-avatar.pug
+
 sib-widget(name='team-template')
   template
     sib-display(
       data-src="${value.user['@id']}"
       data-fields='account.picture',
-      widget-account.picture='sib-display-img'
+      widget-account.picture='hd-user-avatar'
     )
     div(name='user.thumb')
       span ${value.user.name}