fix: Took a very long time finding a very annyoing bug because realloc is the devil.

include/dynarray.h

@@ -5,6 +5,11 @@
 #include <string.h>
 
 typedef struct dyn_array DynArray;
+struct dyn_array {
+	char **array;
+	size_t capacity;
+	size_t size;
+};
 
 DynArray *dynarray_init(size_t initial_capacity);
 void dynarray_add(DynArray *da, const char * s);