Remove account and app setup and config FAQ

[franrob-projects]

This PR integrates the follwoing FAQs into the docs:

• my accounts and/or apps?

• What is the difference between 'failed' and 'refused' message statistics?

• How do I access my app dashboard if I am a Heroku add-on user?

• How is the 'peakRates' account stat defined?

• What stats are available on my account and apps?

• What is the relationship between Accounts and Apps

• I purchased Ably through the AWS Marketplace but I am experiencing issues with signing in

• How do I delete an app?

• How can I restrict connections or requests by origin or IP?

• Is it possible to restrict which channels or permissions an API key has?

• Can I see which other users have access to my account?

• How can I manage my email preferences for marketing, product and

• Can I change my Ably account owner?

• Why is the Realtime SDK always establishing Comet connections for long polling rather than using it as a fallback for WebSockets?

• Which transports are supported?

• Which TLS Version does the ably-js library use?

• Do you support multiplexing and channel groups?

• If I need to whitelist Ably's servers from a firewall, which ports, IPs and/or domains should I add?

• Authenticated and identified clients

• Are messages sent to and received from Ably securely using TLS?

• How can you restrict which channels a client can access?

• When I change a key's capabilities in the dashboard, will existing connections get those capabilities immediately?

• Recommendations for incrementally authorising new capabilities

• Is it secure to send the access_token as part of the websocket url query params?

• Cross-platform symmetric encryption offered by the libraries

• How do I report a security or privacy vulnerability on Ably

• Transport Layer Security (TLS) Version Support

• Do you support MQTT? Are you protocol agnostic?

• What are Ably protocol adapters and how do they work?

• Where are Ably's servers and datacenters located around the world?

• Why does Ably have concurrent channel limits?

• How do I avoid hitting the Max Channel Message Rate Limit by sharding messages across channels?

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• Tidy up commit

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Redirects: here
Jira: EDU-2100
FAQ: Here

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✨ Finishing touches

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[mclark-ably]

typo?

With Ably client libraries, you can add or remove subscriptions to channels dynamically at any tie.

[mclark-ably]

tls is enabled by default i.e default is true

[mclark-ably]

should these be under connection / platform and not channel as its related to the underlying transport?

[mclark-ably]

should this point to https://ably.com/docs/platform/architecture/latency#latency-metrics ?