Code Review of site core?

Question

PHP

Are there hardcore PHP progers with 10+ years of experience here? Please rate the core of the site. I only want criticism. How flexible is the core, will it withstand a huge project? Will there be problems in the future due to incorrect architecture.
You can read the code here:
https://github.com/antonowano/site

Answer 1

what is there to see? there is almost no code, 99% of the code is in the framework used