[FEATURE] FromString & ToXYZString extension for Vector & QAngle

[Cruze03]

Description

• Adds Vector.FromString(string) & QAngle.FromString(string)
• Adds vector.ToXYZString() & qangle.ToXYZString()

Type of Change

Please delete options that are not relevant.

• [*] New feature (non-breaking change which adds functionality)

Changes Made

• [*] Managed Changes (C#)

Detailed Changes

List the specific changes made:

• Changes made in managed\src\SwiftlyS2.Shared\Natives\Structs\Vector.cs & managed\src\SwiftlyS2.Shared\Natives\Structs\QAngle.cs

Testing

Test Environment

• OS: (e.g., Windows 11, Ubuntu 22.04)
• Game: (e.g., Counter-Strike 2)

Test Cases

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Breaking Changes

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Performance Impact

• [*] No performance impact
• Positive performance impact
• Negative performance impact (explain below)
• Performance impact unknown

Details:

Checklist

• [*] My code follows the style guidelines of this project
• [*] I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes
• Any dependent changes have been merged and published in downstream modules

Screenshots/Videos (if applicable)

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Additional Notes

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For Maintainers

• Code review completed
• Tests pass
• Ready to merge

[Cruze03]

3c70b72