James Brunton 295e682e03
Add linting to frontend (#4341)
# Description of Changes
There's no current linter running over our TypeScript code, which means
we've got a bunch of dead code and other code smells around with nothing
notifying us. This PR adds ESLint with the typescript-eslint plugin and
enables the recommended settings as a starting point for us.

I've disabled all of the failing rules for the scope of this PR, just to
get linting running without causing a massive diff. I'll follow up with
future PRs that enable the failing rules one by one.

Also updates our version of TypeScript, which introduces a new type
error in the code (which I've had to fix)
2025-09-04 14:08:28 +01:00
..
2025-08-09 12:03:24 +01:00
2025-09-04 14:08:28 +01:00
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