build: 🔧 Stimulus setup

webpack service added to docker-compose, rails webpacker config, application js and css tags updated

rails webpacker support

bin/webpack

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+#!/usr/bin/env ruby
+# frozen_string_literal: true
+
+ENV['RAILS_ENV'] ||= ENV['RACK_ENV'] || 'development'
+ENV['NODE_ENV']  ||= 'development'
+
+require 'pathname'
+ENV['BUNDLE_GEMFILE'] ||= File.expand_path('../../Gemfile',
+                                           Pathname.new(__FILE__).realpath)
+
+require 'bundler/setup'
+
+require 'webpacker'
+require 'webpacker/webpack_runner'
+
+APP_ROOT = File.expand_path('..', __dir__)
+Dir.chdir(APP_ROOT) do
+  Webpacker::WebpackRunner.run(ARGV)
+end

bin/webpack-dev-server

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+#!/usr/bin/env ruby
+# frozen_string_literal: true
+
+ENV['RAILS_ENV'] ||= ENV['RACK_ENV'] || 'development'
+ENV['NODE_ENV']  ||= 'development'
+
+require 'pathname'
+ENV['BUNDLE_GEMFILE'] ||= File.expand_path('../../Gemfile',
+                                           Pathname.new(__FILE__).realpath)
+
+require 'bundler/setup'
+
+require 'webpacker'
+require 'webpacker/dev_server_runner'
+
+APP_ROOT = File.expand_path('..', __dir__)
+Dir.chdir(APP_ROOT) do
+  Webpacker::DevServerRunner.run(ARGV)
+end