Add support for ALIAS to ipplan hosts

[rctl]

~/Projects/src/github.com/dhtech/dnsenforcer [support-aliases] $ go run cmd/enforce/main.go --dry-run
INFO[0000] Generating DNS records...
WARN[0001] dhtech.vl501.v4.dc1.as59835.net. is not a member of any of the enforced zones
WARN[0001] dhtech.vl502.v4.dc1.as59835.net. is not a member of any of the enforced zones
WARN[0001] bokning.dreamhack.se. is not a member of any of the enforced zones
WARN[0001] Found ignored type NS for net.dreamhack.se. in static file
WARN[0001] Found ignored type NS for 7.3.3.1.0.0.b.4.2.0.a.2.ip6.arpa. in static file
WARN[0001] Found ignored type NS for 2.4.2.2.5.0.a.2.ip6.arpa. in static file
WARN[0001] Found ignored type NS for tech.dreamhack.se. in static file
WARN[0001] Found ignored type NS for 0.4.2.2.5.0.a.2.ip6.arpa. in static file
WARN[0001] Found ignored type NS for event.dreamhack.se. in static file
INFO[0001] Added ALIAS jumpgate.event.dreamhack.se. for jumpgate1.event.dreamhack.se.
INFO[0001] Added ALIAS jumpgate.event.dreamhack.se. for jumpgate2.event.dreamhack.se.
-logistics.tech.dreamhack.se.:CNAME:0:assets.tech.dreamhack.se.
-_acme-challenge.playground.tech.dreamhack.se.:TXT:0:"GwHTxt1CcfewQH_cZTq3SpjXpBws2_KwyZOl7w572kw"
+logistics.tech.dreamhack.se.:CNAME:1337:assets.tech.dreamhack.se
+jumpgate.event.dreamhack.se.:A:1337:77.80.228.16
+jumpgate.event.dreamhack.se.:AAAA:1337:2a05:2242:910::16
+jumpgate.event.dreamhack.se.:A:1337:77.80.228.70
+jumpgate.event.dreamhack.se.:AAAA:1337:2a05:2242:911::70
INFO[0001] Records updated