Make passive skills more usable.

See merge request !9

app/models/passive_skill.rb

@@ -6,4 +6,8 @@ class PassiveSkill < ActiveRecord::Base
                           uniqueness: { scope: :name }
 
   default_scope { order(:name) }
+
+  def full
+    "#{name} - #{description}"
+  end
 end

app/views/admin/cards/_form.html.slim

@@ -17,8 +17,9 @@
     .row
       .col-md-6
         = f.association :leader_skill, label_method: :description
-      .col-md-6
-        = f.association :passive_skill
+    .row
+      .col-md-12
+        = f.association :passive_skill, label_method: :full
     .row
       .col-md-12
         = f.association :super_attack, label_method: :full