Add DHCP options 100 and 101

[Gaming32]

This PR adds DHCP options 100 and 101, which are timezone information.

[coveralls]

Pull Request Test Coverage Report for Build 20387574589

Details

• 0 of 5 (0.0%) changed or added relevant lines in 1 file are covered.
• 1 unchanged line in 1 file lost coverage.
• Overall coverage decreased (-0.06%) to 51.207%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
src/v4/options.rs	0	5	0.0%

Files with Coverage Reduction	New Missed Lines	%
src/v4/options.rs	1	57.14%

Totals
Change from base Build 18724802088:	-0.06%
Covered Lines:	1866
Relevant Lines:	3644

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💛 - Coveralls

[leshow]

would you mind adding to the README also? just add https://datatracker.ietf.org/doc/html/rfc4833 to the v4 section