feat(esm)!: migrate to pure ESM

[rbardini]

• Update dependencies
• Replace dts-cli with vite + vitest
• Replace colorette with yoctocolors
  • disable colors in tests for cleaner snapshots
• Remove source files from package
• Improve TypeScript configuration
• Fix build status badge
• Require Node.js 14.16+

[codecov-commenter]

Codecov Report

Base: 100.00% // Head: 100.00% // No change to project coverage 👍

Coverage data is based on head (b2ebafd) compared to base (5c33c67).
Patch coverage: 100.00% of modified lines in pull request are covered.

Additional details and impacted files

@@            Coverage Diff            @@
##            master        #5   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files            5         5           
  Lines           55       123   +68     
  Branches         6        22   +16     
=========================================
+ Hits            55       123   +68     

Impacted Files	Coverage Δ
src/cli.ts	100.00% <100.00%> (ø)
src/init.ts	100.00% <100.00%> (ø)
src/validate.ts	100.00% <100.00%> (ø)
src/render.ts	100.00% <0.00%> (ø)

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[github-actions]

🎉 This PR is included in version 3.0.0 🎉

The release is available on:

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

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