Add DB schema, agent script, vhost config, deploy cron

- db/schema.sql: full jarvis_db schema (15 tables)
- agent/jarvis-agent.py: production agent script
- config/vhost/: OpenLiteSpeed vhost configuration
- deploy/jarvis-agent.service: systemd unit
- deploy/cron-jarvis.txt: JARVIS cron entries
- .gitignore: exclude system dirs and logs

.gitignore

@@ -8,3 +8,8 @@ logs/
 
 # OS
 .DS_Store
+.imunify_patch_id
+.ssh/
+mail.*/
+logs/
+backup/