Fix Windows Build Issue by Splitting Taskify into OS-Specific Files

[yeganemehr]

This PR fixes the build issue on Windows caused by a Linux-only syscall in tasker.go.
Windows doesn’t support that syscall, so I adjusted the approach by creating an OS-specific setup for the Taskify function.

Split tasker.go by OS

• tasker.go: Keeps the core tasker functionality, minus the Taskify function.
• tasker_windows.go: Adds a Windows-specific Taskify function using CREATE_NEW_PROCESS_GROUP to handle process group creation.
• tasker_other.go: Retains the original Taskify function for Linux and other Unix-like systems.

This way, the build works perfectly on both Windows and Unix-based OS.

Closes #47

[adhocore]

great, thanks 👍

[codecov-commenter]

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Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 93.36%. Comparing base (28b4284) to head (cb088d4).
Report is 8 commits behind head on main.

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Additional details and impacted files

@@            Coverage Diff             @@
##             main      #48      +/-   ##
==========================================
- Coverage   93.40%   93.36%   -0.04%     
==========================================
  Files           9       10       +1     
  Lines         697      693       -4     
==========================================
- Hits          651      647       -4     
  Misses         28       28              
  Partials       18       18              

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