add basic db setup, add vm expirations and cron to handle them, and add fields for sweetalert button classes

cron.py

@@ -0,0 +1,19 @@
+from db import *
+from config import *
+from starrs import *
+from proxmox import *
+
+
+def process_expired_vms():
+    proxmox = connect_proxmox(PROXMOX_HOST, PROXMOX_USER, PROXMOX_PASS)
+    starrs = connect_starrs(STARRS_DB_NAME, STARRS_DB_USER, STARRS_DB_HOST,
+                            STARRS_DB_PASS)
+    expired_vms = get_expired_vms()
+    for vmid in expired_vms:
+        vmname = get_vm_config(proxmox, vmid)['name']
+        delete_vm(proxmox, starrs, vmid)
+        delete_starrs(starrs, vmname)
+        delete_vm_expire(vmid)
+
+
+process_expired_vms()