Add application source code, configs and assets

- Controllers, Entity, Repository, Services, Twig extensions
- Templates (account, emails, home, legal, security, unsubscribe)
- Symfony config updates (bundles, security, framework, services)
- Vite + Bun setup with PostCSS
- Caddy config, CLAUDE.md, README
- Update .gitignore (node_modules, .idea, cert)

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

.env

@@ -16,33 +16,33 @@
 
 ###> symfony/framework-bundle ###
 APP_ENV=dev
-APP_SECRET=
+APP_SECRET=a1b2c3d4e5f6g7h8i9j0k1l2m3n4o5p6
 APP_SHARE_DIR=var/share
 ###< symfony/framework-bundle ###
 
 ###> symfony/routing ###
-# Configure how to generate URLs in non-HTTP contexts, such as CLI commands.
-# See https://symfony.com/doc/current/routing.html#generating-urls-in-commands
-DEFAULT_URI=http://localhost
+DEFAULT_URI=https://esyweb.local
 ###< symfony/routing ###
 
 ###> doctrine/doctrine-bundle ###
-# Format described at https://www.doctrine-project.org/projects/doctrine-dbal/en/latest/reference/configuration.html#connecting-using-a-url
-# IMPORTANT: You MUST configure your server version, either here or in config/packages/doctrine.yaml
-#
-# DATABASE_URL="sqlite:///%kernel.project_dir%/var/data_%kernel.environment%.db"
-# DATABASE_URL="mysql://app:!ChangeMe!@127.0.0.1:3306/app?serverVersion=8.0.32&charset=utf8mb4"
-# DATABASE_URL="mysql://app:!ChangeMe!@127.0.0.1:3306/app?serverVersion=10.11.2-MariaDB&charset=utf8mb4"
-DATABASE_URL="postgresql://app:!ChangeMe!@127.0.0.1:5432/app?serverVersion=16&charset=utf8"
+DATABASE_URL="postgresql://app:secret@database:5432/ecosplay?serverVersion=16&charset=utf8"
 ###< doctrine/doctrine-bundle ###
 
 ###> symfony/messenger ###
-# Choose one of the transports below
-# MESSENGER_TRANSPORT_DSN=amqp://guest:guest@localhost:5672/%2f/messages
-# MESSENGER_TRANSPORT_DSN=redis://localhost:6379/messages
-MESSENGER_TRANSPORT_DSN=doctrine://default?auto_setup=0
+MESSENGER_TRANSPORT_DSN=redis://redis:6379/messages
 ###< symfony/messenger ###
 
 ###> symfony/mailer ###
-MAILER_DSN=null://null
+MAILER_DSN=smtp://mailpit:1025
 ###< symfony/mailer ###
+
+###> vite ###
+# 0 = dev (HMR via localhost:5173), 1 = prod (manifest build)
+VITE_LOAD=0
+REAL_MAIL=0
+###< vite ###
+STRIPE_PK=
+STRIPE_SK=
+STRIPE_WEBHOOK_SECRET=
+STRIPE_MODE=test
+SMIME_PASSPHRASE='KLreLnyR07x5h#3$AC'