Refactor gitignore and add CHANGELOG.md and ip_parser_test.go

[0xDezzy]

• Refactor gitignore to include .history/ directory
• Add CHANGELOG.md file to document project changes
• Add ip_parser_test.go to test IP WHOIS parsing functionality
• Add IP Parsing

[0xDezzy]

Accidentally opened a pull request when I meant to merge it into my fork.

[likexian]

Hello @0xDezzy PR is welcome.

---

If you think this repository is helpful, please share it with friends, thanks.