docs(readme): add 'Modify .env file' step to Quickstart

README.md

@@ -6,7 +6,8 @@ Collection of docker-compose files for services I run
 1. `git clone https://git.luma.wtf/rosa/docker-compose.git`
 2. `cd compose/<service>`
 3. `cp .env.example .env`
-4. `docker compose up -d`
+4. Modify the `.env` file for your setup
+5. `docker compose up -d`
 
 ## Todo
 - [x] Put all compose files in `compose/`