202: calculate total number of files

[Yegorov]

Closes #202

[Yegorov]

@Suban05 please review. Test fail, because this zerocracy/fbe#105 PR need merge before

[Suban05]

@Yegorov fine!

[Yegorov]

@yegor256 please check

[yegor256]

@Yegorov thanks!

[0crat]

@Suban05 Thanks for your code review! Here's how your points were calculated: +4 base points, -10 for having only 2 comments (policy requires 6+), and +10 to meet the minimum 4-point reward. Your total for this review is +4 points, bringing your running balance to +134. Keep up the good work, and remember that more detailed reviews with 6+ comments can earn you higher rewards! 💻👍

[0crat]

@Yegorov 🎉 Great work! You've earned +5 points for your contribution: +4 base, +5 for 109 hits-of-code, -4 for minimal comments. Keep up the momentum! Your current balance: +182. Looking forward to more quality submissions!