README: Update package list

[leventebalogh]

What changed?

Updated the structure of the main README (view the new version →), to make it a bit easier to scan. (This can be totally opinionated, so it's more like a conversation starter.)

Before	After

[jackw]

I personally prefer the table as I think it looks tidier and the buttons aren't between the name and description which is jarring to read.

I think referring to the packages by their npm name is a nice addition as is updating the descriptions.

[leventebalogh]

Those are good inputs - just to make sure I understand correctly what you are suggesting is to go back to the table view, but use the names of the packages (e.g. @grafana/plugin-e2e) and also go with the updated descriptions, right? (How do you feel about getting rid of the readme column, and turning the package names into a link?)

[github-actions[bot]]

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✨ This PR can be merged. It will not be considered when calculating future versions of the npm packages and will not appear in the changelogs.

[leventebalogh]

What do you think about it now @jackw?

[leventebalogh]

Okie dokie, I'll revive them :)

[CLAassistant]

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