Updated project structure and makefile. Started creating frontend. Created csv database interphase

include/file_op/file.h

@@ -0,0 +1,17 @@
+#include <string.h>
+#include <stdlib.h>
+#include <sys/sendfile.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <unistd.h>
+
+struct file_s
+{
+    char *path;
+    off_t size;
+    int fd;
+};
+
+char *gen_file_path(char *path);
+int send_file(int cli_fd, struct file_s *file);
+struct file_s *get_file_info(char *file_path);

include/file_op/mime.h

@@ -0,0 +1,3 @@
+#include <string.h>
+
+char *get_mime_type(char *file_path);