`dnscontrol write-types` generates incorrect type for `contents` in TXT

[dasyad00]

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Describe the bug
The documentation for TXT states that "The contents is either a single or multiple strings. To specify multiple strings, specify them as an array." The example also already includes the example: TXT("multiple", ["one", "two", "three"]), // Multiple strings.

However, the generated TypeScript file declares the function TXT to only accept a string type.

declare function TXT(name: string, contents: string, ...modifiers: RecordModifier[]): DomainModifier;

To Reproduce
Steps to reproduce the behavior:

1. Run dnscontrol write-types.
2. See contents parameter to be only of type string.

Expected behavior
contents parameter for TXT should also accept string[], similar to LUA.

DNS Provider

• FILL IN

Additional context
Add any other context about the problem here.

[TomOnTime]

Thank you for reporting this and including a PR to fix it!

Right now the project is in transition but I hope to be able to address this once we've moved to our new org.