Switch from FTP to FTPS (FTP over TLS)

X-H2 supports FTPS natively with root certificate loading.
Synology DSM supports FTP SSL/TLS encryption.
Updated README and TODO with FTPS configuration steps.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

TODO.md

@@ -1,9 +1,10 @@
 # Fuji Photo Processor - Handmatige Setup Stappen
 
-## 1. Synology FTP Server inschakelen
+## 1. Synology FTPS Server inschakelen
 - [ ] DSM → Control Panel → File Services → FTP tab
 - [ ] Enable FTP service aanvinken
 - [ ] Poort: 21 (standaard)
+- [ ] **Enable FTP SSL/TLS encryption (FTPS)** aanvinken
 - [ ] Passive mode port range: 50000-50100
 - [ ] Character encoding: UTF-8
 
@@ -45,17 +46,19 @@
 - [ ] Kies FTP Transfer → Wireless LAN
 - [ ] WiFi netwerk selecteren + wachtwoord invoeren
 - [ ] FTP Server instellingen:
+  - [ ] **FTP Server Type: FTPS**
   - [ ] Server: `192.168.175.141`
   - [ ] Port: `21`
   - [ ] Passive mode: ON
   - [ ] Username: `fujiftp`
   - [ ] Password: (het ingestelde wachtwoord)
   - [ ] Upload directory: `/incoming`
-- [ ] Profiel naam: "NAS-FTP"
+- [ ] Optioneel: FTP OPTIONAL SETTING → ROOT CERTIFICATE (als NAS self-signed cert gebruikt)
+- [ ] Profiel naam: "NAS-FTPS"
 - [ ] Opslaan
 
 ## 7. Testen
-- [ ] FTP verbinding testen: `ftp 192.168.175.141` met fujiftp credentials
+- [ ] FTPS verbinding testen: `curl --ftp-ssl ftp://fujiftp@192.168.175.141/incoming/ -k`
 - [ ] Upload een test JPEG via FTP
 - [ ] Check processor logs → moet verwerking tonen
 - [ ] Check `/volume2/photos/originals/` → origineel verplaatst