Telegram HTTP proxy redirector

[ForNeVeR]

Part of #147.

TODO:

• Fix tests
• Finalize the storage system
• Run migrations on application start
• Make sure there are no TODOs remaining in the code
• Document the infrastructure requirements
  • Make sure any of the new requirements are optional

[gsomix]

LGTM, but some comments are needed. It might be good idea to add it into code.

[gsomix]

Suggested change

	// We cannot use Option.ofObj here since not every entity type can be marked with AllowNullLiteral.
	match box item with
	| null -> return None
	| _ -> return Some item
	return Option.ofObj (box item)

[ForNeVeR]

Ha-ha, sorry but nope:

Error: /home/runner/work/emulsion/emulsion/Emulsion.Database/QueryableEx.fs(11,12): error FS0001: A type parameter is missing a constraint 'when 'a : null' [/home/runner/work/emulsion/emulsion/Emulsion.Database/Emulsion.Database.fsproj]

[gsomix]

Wtf?!

[ForNeVeR]

Thanks a lot for review!