Change Markdown table Gather mode for Emoji's

[ChristopherPHolder]

Change the markdown table to use emojis instead of using the name of gather modes
Example

<span title="navigation">🧭<span>

Icon	Mode	Emoji	Measure	Performance	Accessibility	Best Practices	SEO	PWA
	Navigation	🧭	Page load	100% / 30	100% / 30	100% / 30	100% / 30	✔ / 7
	Timespan	⏱	User Interaction	10 / 10	❌	7 / 7	❌	❌
	Snapshot	📷	Current page state	4 / 4	16 / 16	5 / 5	9 / 9	❌

[BioPhoton]

we could try to use inline SVG graphics.

[ChristopherPHolder]

If we alter the markdown table string this should be a separate method that does not get called as part of stdout as it makes it very hard to read the table as console log