feat: add simple inotify prototype

include/cli.h

@@ -0,0 +1,25 @@
+#ifndef SCI_CLI_H
+#define SCI_CLI_H
+#include <stdio.h>
+#include "optional.h"
+
+struct cli_options {
+    optional_str file;
+    int verbosity;
+    bool help;
+    bool version;
+};
+
+// Construct a new cli_options struct instance.
+struct cli_options new_options();
+
+// Delete a cli_options struct instance.
+void free_options(struct cli_options v);
+
+// Print the help message.
+void print_help(FILE * out, char* prog_name);
+
+// Parse the command line arguments and give a new cli_options struct instance.
+struct cli_options parse(int argc, char** argv);
+
+#endif