feat: enhance compiler

- Add comments and test for it
- Add semicolon as required end of some expressions
- Add new arguments parser
- Add multi-file compilation
- Add colors in output

include/common/fzl_colors.h

@@ -0,0 +1,10 @@
+#ifndef FZL_COLORS_H
+#define FZL_COLORS_H
+
+#define FZL_CERROR "\033[0;31m"
+#define FZL_CWARNING "\033[0;33m"
+#define FZL_COK "\033[0;32m"
+#define FZL_CDEBUG "\033[0;34m"
+#define FZL_CRST "\033[0m"
+
+#endif // FZL_COLORS_H