Add make docs note for PowerShell users

[lochhh]

Description

What is this PR

• Bug fix
• Addition of a new feature
• Other

Why is this PR needed?
This PR closes #407

What does this PR do?
Clarifies build docs guide for Windows PowerShell users by adding a note to ask users to prepend make commands with .\.

References

#407

How has this PR been tested?

.\make command tested in PowerShell and CMD

Checklist:

• The code has been tested locally
• Tests have been added to cover all new functionality
• The documentation has been updated to reflect any changes
• The code has been formatted with pre-commit

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 99.84%. Comparing base (470cf6a) to head (a813b91).

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #430   +/-   ##
=======================================
  Coverage   99.84%   99.84%           
=======================================
  Files          23       23           
  Lines        1250     1250           
=======================================
  Hits         1248     1248           
  Misses          2        2           

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