Scaffold error template attributes

app/views/error_template_attributes/_form.html.slim

@@ -0,0 +1,16 @@
+= form_for(@error_template_attribute) do |f|
+  = render('shared/form_errors', object: @error_template_attribute)
+  .form-group
+    = f.label(:key)
+    = f.text_field(:key, class: 'form-control', required: true)
+  .form-group
+    = f.label(:description)
+    = f.text_field(:description, class: 'form-control')
+  .form-group
+    = f.label(:regex)
+    = f.text_field(:regex, class: 'form-control', required: true)
+    .help-block == t('error_templates.hints.signature')
+  .form-group
+    = f.check_box(:important)
+    = t('activerecord.attributes.error_template_attribute.important')
+  .actions = render('shared/submit_button', f: f, object: @error_template_attribute)

app/views/error_template_attributes/edit.html.slim

@@ -0,0 +1,3 @@
+h1 = @error_template_attribute
+
+= render('form')

app/views/error_template_attributes/index.html.slim

@@ -0,0 +1,28 @@
+h1 = ErrorTemplateAttribute.model_name.human(count: 2)
+
+.table-responsive
+  table.sortable.table
+    thead
+      tr
+        th
+        th = t('activerecord.attributes.error_template_attribute.key')
+        th = t('activerecord.attributes.error_template_attribute.description')
+        th = t('activerecord.attributes.error_template_attribute.regex')
+        th colspan=5 = t('shared.actions')
+    tbody
+      - @error_template_attributes.each do |error_template_attribute|
+        tr
+          td
+            - if error_template_attribute.important
+              span class="fa fa-star" aria-hidden="true"
+            - else
+              span class="fa fa-star-o" aria-hidden="true"
+          td = error_template_attribute.key
+          td = error_template_attribute.description
+          td = error_template_attribute.regex
+          td = link_to(t('shared.show'), error_template_attribute)
+          td = link_to(t('shared.edit'), edit_error_template_attribute_path(error_template_attribute))
+          td = link_to(t('shared.destroy'), error_template_attribute, data: {confirm: t('shared.confirm_destroy')}, method: :delete)
+
+= render('shared/pagination', collection: @error_template_attributes)
+p = render('shared/new_button', model: ErrorTemplateAttribute)

app/views/error_template_attributes/new.html.slim

@@ -0,0 +1,3 @@
+h1 = t('shared.new_model', model: ErrorTemplateAttribute.model_name.human)
+
+= render('form')

app/views/error_template_attributes/show.html.slim

@@ -0,0 +1,8 @@
+h1
+  = @error_template_attribute
+  = render('shared/edit_button', object: @error_template_attribute)
+
+- [:key, :description, :regex, :important].each do |attribute|
+  = row(label: "error_template_attribute.#{attribute}", value: @error_template_attribute.send(attribute))
+
+// todo: used by