first raw implementation of the form

app/views/layouts/application.html.slim

@@ -1,6 +1,6 @@
 html
   head
-    title Ch420
+    title #CH420 - #{content_for(:title)}
     = stylesheet_link_tag    'application', media: 'all', 'data-turbolinks-track' => true
     = javascript_include_tag 'application', 'data-turbolinks-track' => true
     = csrf_meta_tags

app/views/pages/thanks.de.slim

@@ -0,0 +1,2 @@
+.lead
+  h1 = title t('.title')

app/views/supporters/_form.slim

@@ -0,0 +1,10 @@
+h1 = title t('.title')
+= simple_form_for @supporter do |f|
+  = f.input :first_name
+  = f.input :last_name
+  = f.input :street
+  = f.input :zip
+  = f.input :email
+  = f.input :support, as: :radio_buttons, collection: t('support_type'), label_method: :last, value_method: :first
+  = f.input :age_category, as: :radio_buttons, collection: t('age_category'), label_method: :last, value_method: :first
+  = f.submit value: t('.submit'), class: 'btn btn-success'

app/views/supporters/new.slim

@@ -1 +1,2 @@
-h1 Test
+= render 'form'
+