Utils & refactor

[Amaroq7]

Description

• Convert natives to CamelCase
• Remove findForward from both modules and plugins api
• Utils funcs & export them to api
• Refactor code -> mainly moving code from headers to cpp files wherever possible
• Cvar.GetName & Cvar.GetString natives now returns number of chars written to buffer

Motivation and Context

More consistent code.

Types of changes

• [ ] Bug fix (non-breaking change which fixes an issue)
• [ ] New feature (non-breaking change which adds functionality)
• [x] Breaking change (fix or feature that would cause existing functionality to not work as expected)

Checklist:

• [x] My code follows the code style of this project.
• [ ] My change requires a change to the documentation.
• [x] I have updated the documentation accordingly.