docs(website): add installation instructions for Homebrew

[sh-cho]

Description

Added homebrew install instruction

Motivation and Context

How Has This Been Tested?

Screenshots / Logs (if applicable)

Types of Changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)
• Documentation (no code change)
• Refactor (refactoring production code)
• Other

Checklist:

• My code follows the code style of this project.
• I have updated the documentation accordingly.
• I have formatted the code with rustfmt.
• I checked the lints with clippy.
• I have added tests to cover my changes.
• All new and existing tests passed.

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (04d149e) 44.43% compared to head (09e8a56) 44.43%.

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Additional details and impacted files

@@           Coverage Diff           @@
##             main     #357   +/-   ##
=======================================
  Coverage   44.43%   44.43%           
=======================================
  Files          13       13           
  Lines         628      628           
=======================================
  Hits          279      279           
  Misses        349      349           

Flag	Coverage Δ
unit-tests	44.43% <ø> (ø)

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[orhun]

Thank you for your contribution!