Build libpakrd with cmake instead of using it as prebuilt library

intern/pakrd/include/darr.h

@@ -0,0 +1,24 @@
+#ifndef D_ARR_H
+#define D_ARR_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif // __cplusplus
+
+#include "aliases.h"
+#include <stdbool.h>
+
+#define INVALID_IDX -1
+
+typedef struct darr darr_t;
+
+bool darr_init(darr_t **darr);
+i64 darr_add(darr_t **darr, void *item);
+void **darr_get_items(darr_t *darr);
+void darr_free(darr_t **darr);
+
+#ifdef __cplusplus
+}
+#endif // __cplusplus
+
+#endif // !D_ARR_H