update: frameworkisation of forms

src/views/circle/page-circle-edit.pug

@@ -46,7 +46,7 @@ div.content-box__info
   sib-ac-checker(permission='acl:Write', bind-resources)
     h1 Modifie ton canal
 
-    sib-form.form-edit(
+    sib-form.button-register.form-edit(
       bind-resources
 
       fields='status, block-circle__info(name, owner), description'
@@ -75,7 +75,7 @@ div.content-box__info
   h2 Liste des membres:
 
   sib-ac-checker(permission='acl:Append', bind-resources, nested-field='members')
-    sib-form.block.select-add-member(
+    sib-form.block.select-add.button-add(
       bind-resources 
       nested-field='members'
       fields='user'