Add geom::sphere primitive

libs/geom/include/psemek/geom/sphere.hpp

@@ -0,0 +1,15 @@
+#pragma once
+
+#include <psemek/geom/point.hpp>
+
+namespace psemek::geom
+{
+
+	template <typename T, std::size_t N>
+	struct sphere
+	{
+		point<T, N> center;
+		T radius;
+	};
+
+}