feat: read files and split them by lines

include/file.h

@@ -0,0 +1,16 @@
+#ifndef FILE_H
+#define FILE_H
+
+#include <string.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <stdint.h>
+
+typedef struct {
+    char** content;
+    uint64_t lines;
+} File;
+
+File* new_file(const char*);
+
+#endif // FILE_H

include/myers.h

@@ -1,5 +1,9 @@
 #ifndef MYERS_H
 #define MYERS_H
 
+#include <string.h>
+#include "action_list.h"
+
+ActionList* myers_diff(char**, char**, uint64_t, uint64_t);
 
 #endif // MYERS_H