Add a Testing guide to the docs

Feature Spec

The guides section has explanations with examples of how to conduct tests in Wing for different scenarios.
https://www.winglang.io/docs/category/guides

Use Cases

When developers want to know how to test their specific use case

Implementation Notes

We have a tests section in the concepts part of the docs (https://www.winglang.io/docs/concepts/tests). But it is not a guide and not enough to really answer specific questions we get asked, like how do I test event driven architectures with Wing? where can I see examples for this? etc.

Component

Documentation

Community Notes

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