docs: Update version to 0.4.6 and enhance documentation

[moonD4rk]

• Add new command line flag for full export browsing data
• Refactor README files for clarity and updated information

Proposed changes

Checklist

• Pull request is created against the dev branch
• All checks passed (lint, unit, build tests etc.) with my changes
• I have added tests that prove my fix is effective or that my feature works
• I have added necessary documentation (if appropriate)

[coveralls]

Pull Request Test Coverage Report for Build 9941893514

Details

• 0 of 1 (0.0%) changed or added relevant line in 1 file are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 17.034%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
cmd/hack-browser-data/main.go	0	1	0.0%

Totals
Change from base Build 9941449942:	0.0%
Covered Lines:	340
Relevant Lines:	1996

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💛 - Coveralls