Add Paperless-ngx integration to TOOLS.md and HEARTBEAT.md

TOOLS.md

@@ -38,3 +38,11 @@ Skills are shared. Your setup is yours. Keeping them apart means you can update
 ---
 
 Add whatever helps you do your job. This is your cheat sheet.
+
+### Paperless-ngx
+
+- URL: https://docs.home.kies-media.de/
+- User: greggy
+- Credentials in `.bashrc`/`.profile` (`$PAPERLESS_USER`, `$PAPERLESS_PASS`)
+- Dokumenttypen: Rechnungen, Versicherungspolicen, Verträge, wichtige Entscheidungen
+- Workflow: Bei Email-Check relevante Dokumente automatisch archivieren