WIP Add wallet transactions route, view

Adds a new component for the wallet summary as well, and makes the
component tests work with RSpec.

spec/components/wallet_summary_component_spec.rb

@@ -0,0 +1,11 @@
+require "rails_helper"
+
+RSpec.describe WalletSummaryComponent, type: :component do
+  it "renders the balance as a human-readable number" do
+    expect(
+      render_inline(described_class.new(balance: 2301000)) {}.css("section").to_html
+    ).to include(
+      "2,301,000 sats"
+    )
+  end
+end

spec/rails_helper.rb

@@ -10,6 +10,8 @@ require 'capybara'
 require 'devise'
 require 'support/controller_macros'
 require 'support/database_cleaner'
+require "view_component/test_helpers"
+require "capybara/rspec"
 
 # Requires supporting ruby files with custom matchers and macros, etc, in
 # spec/support/ and its subdirectories. Files matching `spec/**/*_spec.rb` are
@@ -70,5 +72,8 @@ RSpec.configure do |config|
   config.include Warden::Test::Helpers
   config.include FactoryBot::Syntax::Methods
   config.include ActiveJob::TestHelper, type: :job
+  config.include ViewComponent::TestHelpers, type: :component
+  config.include Capybara::RSpecMatchers, type: :component
+
   config.extend ControllerMacros, :type => :controller
 end