Pre-launch design sync with Figma spec (#2154)

* Add lookbook + viewcomponent, organize design system file

* Build menu component

* Button updates

* More button fixes

* Replace all menus with new ViewComponent

* Checkpoint: fix tests, all buttons and menus converted

* Split into Link and Button components for clarity

* Button cleanup

* Simplify custom confirmation configuration in views

* Finalize button, link component API

* Add toggle field to custom form builder + Component

* Basic tabs component

* Custom tabs, convert all menu / tab instances in app

* Gem updates

* Centralized icon helper

* Update all icon usage to central helper

* Lint fixes

* Centralize all disclosure instances

* Dialog replacements

* Consolidation of all dialog styles

* Test fixes

* Fix app layout issues, move to component with slots

* Layout simplification

* Flakey test fix

* Fix dashboard mobile issues

* Finalize homepage

* Lint fixes

* Fix shadows and borders in dark mode

* Fix tests

* Remove stale class

* Fix filled icon logic

* Move transparent? to public interface

app/components/button_component.rb

@@ -0,0 +1,41 @@
+# frozen_string_literal: true
+
+# An extension to `button_to` helper.  All options are passed through to the `button_to` helper with some additional
+# options available.
+class ButtonComponent < ButtonishComponent
+  attr_reader :confirm
+
+  def initialize(confirm: nil, **opts)
+    super(**opts)
+    @confirm = confirm
+  end
+
+  def container(&block)
+    if href.present?
+      button_to(href, **merged_opts, &block)
+    else
+      content_tag(:button, **merged_opts, &block)
+    end
+  end
+
+  private
+    def merged_opts
+      merged_opts = opts.dup || {}
+      extra_classes = merged_opts.delete(:class)
+      href = merged_opts.delete(:href)
+      data = merged_opts.delete(:data) || {}
+
+      if confirm.present?
+        data = data.merge(turbo_confirm: confirm.to_data_attribute)
+      end
+
+      if frame.present?
+        data = data.merge(turbo_frame: frame)
+      end
+
+      merged_opts.merge(
+        class: class_names(container_classes, extra_classes),
+        data: data
+      )
+    end
+end