feat(goto): add goTo sample

[immdipu]

No description provided.

[Copilot]

Pull request overview

Adds a new Ampersand integration sample configuration for GoTo, demonstrating a combined read/write setup with proxy enabled.

Changes:

• Introduces a new goto/amp.yaml sample with one integration (goto-read-and-write).
• Configures scheduled reads for webinars, historicalMeetings, and licenses (including required fields and backfill settings where applicable).
• Enables writes for meetings, webhooks, and attributes, and turns on the proxy.

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