Implemented access log

[bmf-san]

Description

Implement access log.

Changes

• Implemented access log
• Updated _examples to make it easier to verify operation
• Updated support go-version for vulnerability
• Fixed READEME
• Create a logger for application logging
• Fixed the problematic proxy test code

Impact range

Proxy startup and application log output

Operational Requirements

Needs Go1.21.6

Related Issue

3

Supplement

Various details are listed in the PR comments.

References

• https://medium.com/@bless2k/implementing-a-logging-proxy-server-with-golang-d0c673ef1f56
• https://medium.com/ymedialabs-innovation/reverse-proxy-in-go-d26482acbcad
• https://qiita.com/tutuming/items/6006e1d8cf94bc40f8e8
• https://stackoverflow.com/questions/69276445/logging-all-http-request-and-response-from-done-through-an-http-client
• https://qiita.com/nakaryooo/items/8d12d284c9caceb9c947
• https://engineering.mercari.com/blog/entry/2018-12-05-105737/
• https://bmf-tech.com/posts/Go%E3%81%AEhttp.RoundTripper%E3%81%AB%E3%81%A4%E3%81%84%E3%81%A6
• https://stackoverflow.com/questions/70550180/measuring-reverse-proxy-response-times-in-go
• https://blog.joshsoftware.com/2021/05/25/simple-and-powerful-reverseproxy-in-go/