This is a prototype checklist, subject to change.
Version 0.1

Server settings

No antivirus
Create configuration file
Hyperthreading is on
Power plan to maximum performance
One NIC per instance
gMSA used

Disk settings

Partitions aligned
Partitions formatted to 64Kb
IFI on
Disk layout as per recommendations

Database settings

Trace flags set
Lock pages in memory set
DBATools installed
SQLMail configured
DAC turned on
Recovery model set
Adhoc set
MAXDOP & cost threshold set
Backup compression on
TEMPDB files configured
MODEL configured
Operators & alerts configured
Agent configured
Hallengren installed
DBA Database configured