Require Node.js 10.17, add .apps and allow multiple apps to be tried

[Richienb]

const open = require('open');

await open('https://google.com', {
	app: {
		name: open.apps.chrome
	}
});

Since we're making a breaking change, I went ahead and bumped it up to Node.js 12. However, I'll roll it back if we're not quite ready.

Fixes: #116

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IssueHunt Summary

Referenced issues

This pull request has been submitted to:

• #116: Add app constants for popular apps

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[sindresorhus]

Not sure we even need AggregateError here. We only really care about the last failure.

[Richienb]

Not sure we even need AggregateError here. We only really care about the last failure.

If we only care about the last error then adding the function to aggregate-error won't help.

[Richienb]

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