Experimental Style funcs for progress

[ptxmac]

This is an idea for extending the progress package with fully custom rendering functions.

In this PR it's only implemented for a single part of the rendering, just enough to illustrate the idea.

Or with a 24 bit color terminal, you could do something like this:

[coveralls]

Pull Request Test Coverage Report for Build 16539408798

Details

• 6 of 6 (100.0%) changed or added relevant lines in 1 file are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 99.823%

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Totals
Change from base Build 16513072521:	0.0%
Covered Lines:	3958
Relevant Lines:	3965

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💛 - Coveralls

[jedib0t]

Looks really cool. Unfortunately I merged another PR before yours, leading to merge conflicts. Hold on for a few days, till I take a look. Thanks.

[ptxmac]

I'v erebased on main

[jedib0t]

I really appreciate the contribution and the effort here. Can you please take a look at the comments?

[sonarqubecloud]

Quality Gate passed

Issues
2 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[jedib0t]

Thanks for the contribution! 👍🏽

[jedib0t]

Your code is now available in tag https://github.com/jedib0t/go-pretty/releases/tag/v6.6.8