3.0 release

[cbrwizard]

• Uses ${family}/${category}/${subcategory}/${icon} paths instead of using hashes in imports.
• Uses newly released images which don't have width, height params, but have proper rect tags. Old version of this NPM package will still use old version of the images for a couple of months.
• Allows setting fill/stroke for images directly for most of the images.

Fixes:

• Hardcoded 'fill' attribute presents styling problems if not using CSS #15
• Rendering Issue with new Icons #14
• Missing svg files in node_module folder #11
• Way to calculate / get icon hash by their name. #9

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[certainlyakey]

Any estimates on merging this?

[cbrwizard]

@certainlyakey this week, before Friday. Making latest changes atm and updating docs