feat: rework math files

- add SSE functions
- remove vec3 / mat3

src/main.c

@@ -1,7 +1,11 @@
-#include "math/vec3.h"
 #include <stdio.h>
+#include "math/vec4.h"
 
 int main(void) 
 {   
-    return 0;
+    Vec4f_t vec = vec4(1.f, 2, 3, 4);
+    float vec_array[4] = {1, 2, 3, 4};
+
+    vec4f_add_r(&vec, vec4f_from_array(vec_array));
+    printf("%f\n", vec.data[1]);
 }