Updates

[brettz9]

• chore: add recommended JSON extension to ESLint (and Babel) RC files; git-ignore package-lock
• chore(travis): check Node 10, 12, 14; drop 8
• chore(eslint): check for unused disable directives
• chore(eslint): update linting devDeps. lint resulting Babel error, and lint accordingly; bump test timeout
• chore: add engines with Node >= 10
• chore: add .ncurc.js to temporarily avoid husky update
• chore: update vulnerable dep. get-urls; update other deps (filesize, jsonfile, lodash, marked, moment, yargs); update devDeps.
• test: add nyc to test script

Mostly doing this to avoid the vulnerable dependency, but thought I'd update things across the board.

[coveralls]

Pull Request Test Coverage Report for Build 265

• 19 of 19 (100.0%) changed or added relevant lines in 4 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 89.305%

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Totals
Change from base Build 263:	0.0%
Covered Lines:	391
Relevant Lines:	425

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💛 - Coveralls

[gajus]

🎉 This PR is included in version 3.1.4 🎉

The release is available on:

• npm package (@latest dist-tag)
• GitHub release

Your semantic-release bot 📦🚀