feat(tracer): middy middleware

[dreamorosi]

Description of your changes

• Implement middy-based middleware with feature parity against captureLambdaHandler decorator
• Implement middy-based middleware with feature parity against captureMethod decorator
• Documentation & JSDocs updates
• Implementation unit tests

How to verify this change

Checkout branch & run npm run tests in src/packages/tracing and/or observe actions results.

Related issues, RFCs

#295
#282

PR status

Is this ready for review?: NO
Is it a breaking change?: NO

Checklist

• My changes meet the tenets criteria
• I have performed a self-review of my own code
• I have commented my code where necessary, particularly in areas that should be flagged with a TODO, or hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• The code coverage hasn't decreased
• I have added tests that prove my change is effective and works
• New and existing unit tests pass locally and in Github Actions
• Any dependent changes have been merged and published in downstream module
• The PR title follows the conventional commit semantics

Breaking change checklist

N/A

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[dreamorosi]

I couldn't find any mention about implementing middy middlewares to generic functions that are not a Lambda Handler.
To some extent middy should work also on regular functions since it's a function closure, but the lack of typing & examples require further exploration that should be its own unit of work.

At the moment I've added a notice to the docs (see below) with a link to open an feature request, if Customers want this feature we'll reconsider in the future:

[saragerion]

Minor fix:

Suggested change

	When using the `captureLambdaHanlder` decorator or middleware, Tracer performs these additional tasks to ease operations:
	When using the `captureLambdaHandler` decorator or middleware, Tracer performs these additional tasks to ease operations:

[dreamorosi]

Good catch!

[saragerion]

Minor fix:

Suggested change

	We currently support a middleware for tracing methods, [let us know](https://github.com/awslabs/aws-lambda-powertools-typecsript/issues/new?assignees=&labels=feature-request%2C+triage&template=feature_request.md&title=) if you'd like to see one!
	We currently support a middleware for tracing methods, [let us know](https://github.com/awslabs/aws-lambda-powertools-typescript/issues/new?assignees=&labels=feature-request%2C+triage&template=feature_request.md&title=) if you'd like to see one!

[dreamorosi]

Thanks for spotting this!

[saragerion]

LGTM, some minor comments