Color text only when the Stdout FD indicates the Terminal

[mdm-code]

• Add the Term package to the project
• Add colorize parameter to the pipe function
• Parametrize colorize depending if it is tty
• Adjust unit tests for the pipe function
• The term package is now used directly
• Include function documentation for pipe fn

[codecov-commenter]

Codecov Report

Patch coverage: 78.57% and project coverage change: -2.21% ⚠️

Comparison is base (47045cb) 92.54% compared to head (9f04400) 90.33%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main       #2      +/-   ##
==========================================
- Coverage   92.54%   90.33%   -2.21%     
==========================================
  Files           3        3              
  Lines         228      238      +10     
==========================================
+ Hits          211      215       +4     
- Misses         13       17       +4     
- Partials        4        6       +2     

Files Changed	Coverage Δ
cmd/tcols/main.go	80.50% <78.57%> (-3.76%)	⬇️

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