feat: add linux code style formatting

include/curtle/curtle.h

@@ -1,6 +1,6 @@
 #ifndef CURTLE_H
 #define CURTLE_H
 
-#include "curtle/linear_algebra.h"
+#include "curtle/vector.h"
 
 #endif

include/curtle/vector.h

@@ -1,11 +1,12 @@
 #ifndef CURTLE_VECTOR_H
 #define CURTLE_VECTOR_H
 
-typedef struct {
+struct vec2
+{
     double x;
     double y;
-} vec2;
+};
 
-vec2 vec2_add(vec2 a, vec2 b);
+struct vec2 vec2_add(struct vec2 a, struct vec2 b);
 
 #endif