Logging improvement

[mrandrewsmith]

What is done

• Added functionality for logging proxying
• Created tests for new functionality
• Updated documentation

Examples

struct NodeKitLoggingProxy: LoggingProxy {
    func handle(session: LogSession) {
        Task {
	    let method = await session.method
	    let route = await session.route
	    await session.subscribe { logs in
	        ...
            }
	}
    }
}

let loggingProxy = NodeKitLoggingProxy()

await chainBuilder
    .set(loggingProxy: loggingProxy)
    .route(.get, .users)
    .build()
    .process()

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 84.61538% with 32 lines in your changes missing coverage. Please review.

Project coverage is 92.43%. Comparing base (1aaa23c) to head (157c496).
Report is 2 commits behind head on master.

Files with missing lines	Patch %	Lines
NodeKit/NodeKit/Chains/ChainBuilder.swift	39.62%	32 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #144      +/-   ##
==========================================
+ Coverage   92.23%   92.43%   +0.20%     
==========================================
  Files          85       85              
  Lines        1326     1944     +618     
==========================================
+ Hits         1223     1797     +574     
- Misses        103      147      +44     

Flag	Coverage Δ
tests	92.43% <84.61%> (+0.20%)	⬆️

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The base branch was changed.