Rails 7.0 + Tailwind app UI; remove twbs/bootstrap

.github/workflows/test.yml

@@ -63,6 +63,17 @@ jobs:
         sudo apt-get install -y libpq-dev libicu-dev
         sudo apt-get install -y libicu74
 
+    - name: Set up Node
+      uses: actions/setup-node@v6
+      with:
+        node-version: '22'
+        cache: npm
+
+    - name: Install Node and build CSS
+      run: |
+        npm ci
+        npm run build:css:all
+
     - name: Build and create DB
       env:
         # use localhost for the host here because we have specified a container for the job.

Gemfile

@@ -1,7 +1,7 @@
 source 'https://rubygems.org'
 
 ruby File.read(File.expand_path '../.ruby-version', __FILE__).strip.sub /\-p[0-9]+$/, '' # Read the rbenv version file
-gem 'rails', '~> 6.1.7.10'
+gem 'rails', '~> 7.0.8'
 
 gem "concurrent-ruby", "1.3.4" # needed until https://github.com/rails/rails/pull/54264 is in Rails 7.0.8.8
 gem "csv"                      # Ruby 3.4 stdlib extraction - required by ActiveSupport
@@ -70,7 +70,6 @@
 gem 'i18n-js'
 gem 'jquery-rails'
 gem 'sass-rails'
-gem 'twbs_sass_rails'
 gem 'uglifier'
 
 gem "sidekiq"
@@ -92,7 +91,7 @@
   gem 'delorean'
   gem 'factory_bot_rails'
   gem 'faker'
-  gem "rspec-rails"
+  gem 'rspec-rails', '~> 6.1'
   gem 'listen'
 end