feat: update env example

Author: PatatoBit

.env.example

@@ -2,13 +2,4 @@ BOT_TOKEN=
 WELCOME_CHANNEL=
 ADMIN_CHANNEL=
 
-DATABASE_URL="postgres://postgres:postgrespw@localhost:49153"
-
-PROJECT_NAME=botsofcode
-POSTGRES_DATABASE=botsofcode
-POSTGRES_HOST=postgres
-POSTGRES_USERNAME=postgres
-POSTGRES_PASSWORD=postgres
-POSTGRES_PORT=5432
-PRISMA_STUDIO_PORT=5555
-POSTGRES_PATH=/postgres
+DATABASE_URL="postgresql://postgres:postgres@postgres:5432/postgres?schema=public"