feat(sourcepp): add vector equality operators

include/sourcepp/math/Vector.h

@@ -17,6 +17,10 @@ struct Vec2 {
 		return {this->x - other.x, this->y - other.y};
 	}
 
+	[[nodiscard]] bool operator==(const Vec2& other) const {
+		return this->x == other.x && this->y == other.y;
+	}
+
 	[[nodiscard]] static constexpr Vec2 zero() {
 		return {{}, {}};
 	}
@@ -52,6 +56,10 @@ struct Vec3 {
 		return {this->x - other.x, this->y - other.y, this->z - other.z};
 	}
 
+	[[nodiscard]] bool operator==(const Vec3& other) const {
+		return this->x == other.x && this->y == other.y && this->z == other.z;
+	}
+
 	[[nodiscard]] static constexpr Vec3 zero() {
 		return {{}, {}, {}};
 	}
@@ -88,6 +96,10 @@ struct Vec4 {
 		return {this->x - other.x, this->y - other.y, this->z - other.z, this->w - other.w};
 	}
 
+	[[nodiscard]] bool operator==(const Vec4& other) const {
+		return this->x == other.x && this->y == other.y && this->z == other.z && this->w == other.w;
+	}
+
 	[[nodiscard]] static constexpr Vec4 zero() {
 		return {{}, {}, {}, {}};
 	}