upgraded to symfony 4 #74 (#81)

.env.dist

@@ -0,0 +1,29 @@
+# This file is a "template" of which env vars need to be defined for your application
+# Copy this file to .env file for development, create environment variables when deploying to production
+# https://symfony.com/doc/current/best_practices/configuration.html#infrastructure-related-configuration
+
+# KIMAI DEFAULT ENV VARS
+DATABASE_PREFIX=kimai2_
+DATABASE_ENGINE=sqlite
+DATABASE_URL=sqlite:///%kernel.project_dir%/var/data/kimai.sqlite
+
+###> symfony/framework-bundle ###
+APP_ENV=dev
+APP_SECRET=c88c14fa70a424e7a12d459b9dd9df7f
+#TRUSTED_PROXIES=127.0.0.1,127.0.0.2
+#TRUSTED_HOSTS=localhost,example.com
+###< symfony/framework-bundle ###
+
+###> doctrine/doctrine-bundle ###
+# Format described at http://docs.doctrine-project.org/projects/doctrine-dbal/en/latest/reference/configuration.html#connecting-using-a-url
+# For an SQLite database, use: "sqlite:///%kernel.project_dir%/var/data/kimai.sqlite"
+# Configure your db driver and server_version in config/packages/doctrine.yaml
+#DATABASE_URL=mysql://db_user:db_password@127.0.0.1:3306/db_name
+###< doctrine/doctrine-bundle ###
+
+###> symfony/swiftmailer-bundle ###
+# For Gmail as a transport, use: "gmail://username:password@localhost"
+# For a generic SMTP server, use: "smtp://localhost:25?encryption=&auth_mode="
+# Delivery is disabled by default via "null://localhost"
+MAILER_URL=null://localhost
+###< symfony/swiftmailer-bundle ###