Add Total TypeScript to typescript/curated-links.md

[mergeworthy]

Total TypeScript by Matt Pocock has free tutorials and is one of the better-known modern TypeScript learning resources.

Where it should go

resources/typescript/curated-links.md, under "Learning the language", in alphabetical order.

Suggested entry

- [Total TypeScript](https://www.totaltypescript.com/) — Free and paid tutorials focused on practical TypeScript patterns and the type system.

Acceptance criteria

• The entry is added to the "Learning the language" section of resources/typescript/curated-links.md.
• It's placed in correct alphabetical order within the section.
• The format matches existing entries: - [Title](url) — one-line description.
• No other content is changed.

Estimated time

~10 minutes.

Want to work on this?

Comment below to claim it before working on it. New to opening a PR? See CONTRIBUTING.md.

[freya-docs]

@mergeworthy Can you assign it to me, please?