Log virtual-hosts information per request

[joseluisq]

Description

This PR logs relevant virtual-hosts information like host and root per incoming request.

Log entry example:

2024-05-12T22:21:31.840432Z  INFO static_web_server::log_addr: incoming request: method=GET uri=/ remote_addr=[::1]:62623
2024-05-12T22:21:48.074323Z  INFO static_web_server::log_addr: incoming request: method=GET uri=/ remote_addr=[::1]:62625
2024-05-12T22:21:48.074394Z  INFO static_web_server::virtual_hosts: virtual host matched: vhost=example.com vhost_root=docker method=GET uri=/

Related Issue

Resolves #322

Motivation and Context

How Has This Been Tested?

Screenshots (if appropriate):

[semanticdiff-com]

Review changes with SemanticDiff.

Analyzed 3 of 3 files.

Overall, the semantic diff is 16% smaller than the GitHub diff.

	Filename	Status
✔️	src/handler.rs	Analyzed
✔️	src/lib.rs	Analyzed
✔️	src/virtual_hosts.rs	15.94% smaller