Update .env to use the Symfony configuration standard

.env

@@ -0,0 +1,38 @@
+# In all environments, the following files are loaded if they exist,
+# the latter taking precedence over the former:
+#
+#  * .env                contains default values for the environment variables needed by the app
+#  * .env.local          uncommitted file with local overrides
+#  * .env.$APP_ENV       committed environment-specific defaults
+#  * .env.$APP_ENV.local uncommitted environment-specific overrides
+#
+# Real environment variables win over .env files.
+#
+# DO NOT DEFINE PRODUCTION SECRETS IN THIS FILE NOR IN ANY OTHER COMMITTED FILES.
+#
+# Run "composer dump-env prod" to compile .env files for production use (requires symfony/flex >=1.2).
+
+###> symfony/framework-bundle ###
+APP_ENV=dev
+APP_SECRET=8d05fae29eaeeda1edf6008093f395b4
+#TRUSTED_PROXIES=127.0.0.0/8,10.0.0.0/8,172.16.0.0/12,192.168.0.0/16
+#TRUSTED_HOSTS='^localhost|example\.com$'
+###< symfony/framework-bundle ###
+
+###> nelmio/cors-bundle ###
+CORS_ALLOW_ORIGIN=^https?://(localhost|127\.0\.0\.1)(:[0-9]+)?$
+###< nelmio/cors-bundle ###
+
+###> doctrine/doctrine-bundle ###
+# Format described at https://www.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.db"
+# For a PostgreSQL database, use: "postgresql://db_user:db_password@127.0.0.1:5432/db_name?serverVersion=11&charset=utf8"
+# IMPORTANT: You MUST configure your server version, either here or in config/packages/doctrine.yaml
+DATABASE_URL=mysql://db_user:db_password@127.0.0.1:3306/db_name?serverVersion=5.7
+###< doctrine/doctrine-bundle ###
+
+###> lexik/jwt-authentication-bundle ###
+JWT_SECRET_KEY=%kernel.project_dir%/config/jwt/private.pem
+JWT_PUBLIC_KEY=%kernel.project_dir%/config/jwt/public.pem
+JWT_PASSPHRASE=30e1f97a4a670a03fb98ecab5c3e4265
+###< lexik/jwt-authentication-bundle ###