scheduling and jobs, new dataclasses and such better UDP handling

data/scan_targets/target.example

@@ -0,0 +1,17 @@
+name: Corp WAN
+scan_options:
+  udp_scan: true                        # if UDP ports are configured for a host, we will scan those ports.
+  tls_security_scan: false              # if 443 is found, we will attempt TLS probes to check TLS versions.
+  tls_exp_check: false                  # if a cert is found, we will check and report the cert expiration date.
+
+reporting:
+  report_name: Corporate WAN Perimeter  # Report Name
+  report_filename: corp-wan.html        # Report Filename
+  full_details: true                    # Show full details for ALL hosts (if nothing out of the ordinary is expected, still show ports)
+  email_to: soc@example.com             # single string is fine; or a list
+  email_cc: []                          # explicitly none
+  
+scan_targets:                           # a list of hosts to scan
+  - ip: 10.10.20.5
+    expected_tcp: [22, 80]
+    expected_udp: [53]