Feature: Add HTTP response size and timing

[akbarcandra]

Checklist:

• Add http response size by header 'content-length'
• Add http response timing using Nodejs Performance Timing

Preview:

[davidhsianturi]

@akbarcandra This is good. no, this is great! thanks for the great work I appreciate it 💝

[akbarcandra]

@davidhsianturi Thanks for the positive words! Hopefully this feature is useful.