Update build.sh to prompt for separate IMAP/SMTP credentials for mail integration

README.md

@@ -270,6 +270,21 @@ Use the provided build script:
 ./build.sh <server-url> <username> <token>
 ```
 
+**The build script will:**
+1. Build Nextcloud API tools (Files, Contacts, Calendar, etc.) with the provided credentials
+2. **Prompt you for separate IMAP/SMTP credentials** for the email integration
+3. Build nextcloud-mail with email-specific credentials
+4. Install all binaries to `~/bin/`
+
+**Email credentials needed:**
+- IMAP server hostname (default: teamworkapps.com)
+- IMAP port (default: 993 for SSL)
+- IMAP username and password
+- SMTP server hostname (default: teamworkapps.com)
+- SMTP port (default: 465 for SSL)
+- SMTP username and password
+- SSL/TLS setting (default: yes)
+
 ---
 
 ## Testing