Fix build warnings
Snapshot now persisted in lastmodified date descending, hopefully aligns with snapshot simple check against first entry in a directory not existing in the snapshot during build
Building Snapshot should only be done synchrnonously and atomically
Blacklist watched for changes
Reviewed-on: #5
Co-authored-by: Huy Nguyen <ecenshu@gmail.com>
Co-committed-by: Huy Nguyen <ecenshu@gmail.com>
ecenshu