added example values

Author: moXq1

.env.example

@@ -1,6 +1,6 @@
-DATABASE_HOST = ""
-DATABASE_NAME = ""
-DATABASE_PORT = ""
-DATABASE_USERNAME = ""
-DATABASE_PASSWORD = ""
-DATABASE_URL = ""
+DATABASE_HOST = "localhost"
+DATABASE_NAME = "mydatabase"
+DATABASE_PORT = "5432"
+DATABASE_USERNAME = "myuser"
+DATABASE_PASSWORD = "mypassword"
+DATABASE_URL = "postgresql://USERNAME:PASSWORD@HOST:PORT/NAME?schema=public"