Add initial Korok seed location data

- Create data.h/c with first 10 Korok locations
- Each location has hash ID and x,y,z coordinates
- Foundation for complete Korok database
- Test data for pin placement functionality

source/data_basic.h

@@ -0,0 +1,10 @@
+#ifndef DATA_H
+#define DATA_H
+#include "save_basic.h"
+#include "map_basic.h"
+
+// Sample Korok seed locations (first 10 for testing)
+extern Point KOROKS[];
+extern const int KOROK_COUNT;
+
+#endif