docs: enhance Railway deployment quick start guide

README.md

@@ -4,8 +4,13 @@ Ozma is an open-source CRM/ERP platform that allows for the rapid development of
 
 ## Quick Start
 1. Click "Deploy on Railway" button below
-2. Open Railway block "ozma" after deployment
-3. Access your app at the generated URL (e.g., `ozma-production-xxxx.up.railway.app`)
+2. Click "Deploy ozma" button on the opened Railway page
+3. Sign in to your Railway account or create one
+4. In "keycloak" block, fill two fields with your email and any password
+5. Click "Deploy" button below
+6. Wait for deployment to complete
+7. Open Railway block "ozma" after deployment
+8. Open your app at the generated URL on the screen (e.g., `ozma-production-xxxx.up.railway.app`)
 
 [![Deploy on Railway](https://railway.app/button.svg)](https://railway.com/template/xgJwGP)