v4.0.2

Patches

• Disable colorization if inside a TTY context (#33): 5c7353f
  Thank you @ai~!

  # Before:
  $ npx app.js > log.txt
  #=> The `log.txt` filled with ANSI codes 
  
  # After:
  $ npx app.js > log.txt
  #=> The `log.txt` is plain text
  
  # OVERRIDE:
  $ FORCE_COLOR=1 npx app.js > log.txt
  #=> The `log.txt` filled with ANSI codes; as requested

Chores

• Add bash tests for ENV detection: 5c7353f
• Update README with TTY explainer and example: 3a6a272, 3b3742a
• Update test runner version: 5fd93ba