Changelog
- f50a4c5 chore: allow to specify debug headers
- 7ebda18 chore: prefer ipv6, https support
- 6d1085b chore: print api msg to console
- e0940ce chore: use probing
- 5176556 feat: add static file support
- bf5fbe2 feat: allow change ping method
- 26a1e90 feat: check privilege before icmp ping
- 23e2e4e fix: server type typo