Re-export glam_assert feature

[ameknite]

Objective

• Allow the use of the "glam _assert" feature to help catch runtime errors and validate the arguments passed to glam.

e.g.

// Will panic if self is zero length when glam_assert is enabled.
    pub fn normalize(self) -> Self {
        let normalized = self.mul(self.length_recip());
        glam_assert!(normalized.is_finite());
        normalized
    }

Solution

• Re-export the optional feature glam_assert

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Changelog

Added: Optional feature "glam_assert"