feat: added a simple filesystem tree walk and the status cli command to get a list of untracked files

include/tree.h

@@ -0,0 +1,24 @@
+#ifndef TREE_H
+#define TREE_H
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+#include <dirent.h>
+#include <sys/stat.h>
+#include <unistd.h>
+
+typedef struct {
+    char** paths;
+    size_t len;
+    size_t capacity;
+} PathBuffer;
+
+PathBuffer* new_path_buffer();
+void add_path(PathBuffer*, char*);
+void free_path_buffer(PathBuffer*);
+char* find_root(const char*);
+void walk(const char*, const char*, PathBuffer*);
+
+#endif // TREE_H