implemented basic player struct with impl for behaviour physics and transformable

src/player.c

@@ -0,0 +1,33 @@
+#include "player.h"
+
+void player_spawn(Player* self, Vector at) {
+    self->transform.position = at;
+}
+
+void player_start(Player* self) {
+    self->transform = IdentityTransform;
+}
+
+Transform* player_get_transform(Player* self) {
+    return &self->transform;
+}
+
+RigidBody* player_get_rigidbody(Player* self) {
+    return self->rigidbody;
+}
+
+Shape* player_get_shape(Player* self) {
+    return self->shape;
+}
+
+Vector* player_get_position(Player* self) {
+    return &self->transform.position;
+}
+
+Vector* player_get_scale(Player* self) {
+    return &self->transform.scale;
+}
+
+float* player_get_rotation(Player* self) {
+    return &self->transform.rotation;
+}