Update guide link examples to use keyword args

Now we're using the new link helper we need to use keyword arguments
instead of hashes or arrays.

guide/lib/examples/link_helpers.rb

@@ -16,23 +16,23 @@ def govuk_link_to_new_tab
  end
 
  def govuk_link_to_inverse
- %(= govuk_link_to('An inverse hyperlink', '#', { inverse: true }))
+ %(= govuk_link_to('An inverse hyperlink', '#', inverse: true))
  end
 
  def govuk_link_to_muted
- %(= govuk_link_to('A muted hyperlink', '#', { muted: true }))
+ %(= govuk_link_to('A muted hyperlink', '#', muted: true))
  end
 
  def govuk_link_other_styles
  <<~LINKS
  p
- = govuk_link_to('A hyperlink without an underline', '#', { no_underline: true })
+ = govuk_link_to('A hyperlink without an underline', '#', no_underline: true )
 
  p
- = govuk_link_to('A hyperlink without a visited state', '#', { no_visited_state: true })
+ = govuk_link_to('A hyperlink without a visited state', '#', no_visited_state: true)
 
  p
- = govuk_link_to('A text-coloured hyperlink', '#', { text_colour: true })
+ = govuk_link_to('A text-coloured hyperlink', '#', text_colour: true)
  LINKS
  end
 
@@ -46,16 +46,16 @@ def govuk_button_link_to_normal
 
  def govuk_button_inverse
  <<~BUTTON
- = govuk_button_link_to('An inverse button', '#', { inverse: true })
+ = govuk_button_link_to('An inverse button', '#', inverse: true)
  BUTTON
  end
 
  def govuk_button_other_styles
  <<~BUTTONS
  .govuk-button-group
- = govuk_button_link_to('A disabled button', '#', { disabled: true })
- = govuk_button_link_to('A secondary button', '#', { secondary: true })
- = govuk_button_link_to('A warning button', '#', { warning: true })
+ = govuk_button_link_to('A disabled button', '#', disabled: true)
+ = govuk_button_link_to('A secondary button', '#', secondary: true)
+ = govuk_button_link_to('A warning button', '#', warning: true)
  BUTTONS
  end
 
@@ -71,7 +71,7 @@ def govuk_link_classes_multiple
  = link_to_if(true,
  'A muted and not underlined link generated by Rails',
  '#',
- class: govuk_link_classes(:muted, :no_underline))
+ class: govuk_link_classes(muted: true, no_underline: true))
  LINK
  end
  end

guide/lib/helpers.rb

@@ -110,3 +110,5 @@ class Application < Rails::Application; end
 use_helper Examples::CommonOptionsHelpers
 use_helper Examples::BackToTopLinkHelpers
 use_helper Examples::TitleWithErrorPrefixHelpers
+
+ActiveSupport.on_load(:action_view) { include GovukLinkHelper }