Display Bootstrap-like tooltips for menu items

[vanithaak]

Fixes #104 (<=== Add issue number here)

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[vanithaak]

I have added the script and link tags in index.html , triggerred the tooltip in index.js , added attributes in EditAction.js, still I'm not able to see the tooltip when I hover. @jywarren What am I missing?

please review my pr. Thanks!

[jywarren]

I also want to suggest that we include some documentation. We shouldn't make Bootstrap a required dependency. I think this fails gracefully if it's not present, right? The only code that will fail is still in our examples/index.js file, not in the core library. But we can add a line to the README saying that to enable tooltip formatting, you can include a) Bootstrap 5 and b) the lines of code we're adding to index.js, to load these styles. How does that sound?

[vanithaak]

Sounds good! I'll start working on it