Adds hash support for Vector2, Vector3, and Vector4 #88
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Implements `std::hash` specialization for `omath::Vector2`, `omath::Vector3`, and `omath::Vector4` with float components. This enables usage of these vector types as keys in hash-based containers, such as `std::unordered_map` and `std::unordered_set`.
Consolidates the generation of left-handed and right-handed orthographic matrices into a shared implementation to reduce code duplication.
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Implements
std::hashspecialization foromath::Vector2,omath::Vector3, andomath::Vector4with float components.This enables usage of these vector types as keys in hash-based containers, such as
std::unordered_mapandstd::unordered_set.