[webhooks] add FastAPI example link

[capcom6]

Summary by CodeRabbit

• Documentation
  • Added a detailed explanation of the webhook retry policy, including exponential backoff and customizable retry attempts.
  • Included a new example link demonstrating webhook processing with FastAPI, covering registration, HMAC validation, and payload handling.

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Branch Preview URL:	https://webhooks-fastapi-example.docs-7wm.pages.dev

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[coderabbitai]

Walkthrough

The changes update documentation related to webhooks. A new "Retry Policy" subsection has been added to the webhook feature documentation, describing the exponential backoff strategy for retrying webhook deliveries, including timing details and configurability. Additionally, a new example link for a FastAPI-based webhook processor demonstrating registration, HMAC validation, and payload handling has been included in both the webhook feature documentation and the official examples list.

Changes

File(s)	Change Summary
docs/features/webhooks.md	Added a "Retry Policy" subsection detailing webhook delivery retries and a FastAPI example link.
docs/resources/examples.md	Added a link to a FastAPI webhook processor example in the "Official Examples" section.

Possibly related PRs

• [features] update webhooks documentation #72: Enhances webhook documentation with emojis and clarifications; related by topic but does not add new sections or examples.

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📥 Commits

Reviewing files that changed from the base of the PR and between a4586e2 and 943728e.

📒 Files selected for processing (2)

• docs/features/webhooks.md (2 hunks)
• docs/resources/examples.md (1 hunks)

⏰ Context from checks skipped due to timeout of 90000ms (1)

• GitHub Check: Cloudflare Pages

🔇 Additional comments (3)

docs/resources/examples.md (1)

9-9: Addition of FastAPI webhook processor example is clear and well-formatted.

The new example is relevant, concise, and consistent with the documentation style.

docs/features/webhooks.md (2)

116-119: Retry Policy documentation is clear and informative.

The new subsection provides actionable details about webhook retry behavior and configuration.

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251-251: Addition of FastAPI webhook processor example is clear and consistent.

The example is relevant and matches the style of other entries.

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