Upgrade to Rails 7, new JS build setup

Gemfile

@@ -2,13 +2,19 @@ source 'https://rubygems.org'
 git_source(:github) { |repo| "https://github.com/#{repo}.git" }
 
 # Bundle edge Rails instead: gem 'rails', github: 'rails/rails'
-gem 'rails', '~> 6.0.3', '>= 6.0.3.4'
+gem 'rails', '~> 7.0.2'
 # Use Puma as the app server
 gem 'puma', '~> 4.1'
+# Separate dependency since Rails 7.0
+gem 'sprockets-rails'
 # Allows custom JS build tasks to integrate with the asset pipeline
 gem 'cssbundling-rails'
-# Turbolinks makes navigating your web application faster. Read more: https://github.com/turbolinks/turbolinks
-gem 'turbolinks', '~> 5'
+# Use JavaScript with ESM import maps [https://github.com/rails/importmap-rails]
+gem "importmap-rails"
+# Hotwire's SPA-like page accelerator [https://turbo.hotwired.dev]
+gem "turbo-rails"
+# Hotwire's modest JavaScript framework [https://stimulus.hotwired.dev]
+gem "stimulus-rails"
 # Build JSON APIs with ease. Read more: https://github.com/rails/jbuilder
 gem 'jbuilder', '~> 2.7'
 # Use Redis adapter to run Action Cable in production