FEAT: Override timeout

[Lissy93]

Adds the option to set the API_TIMEOUT_LIMIT environmental variable, so jobs can timeout sooner.

Implementing to keep Vercel & Netlify server costs down for the public instances. Won't affect self-hosted users, unless you manually set that env var to something less than 60000 (1 minute).

I'd recommend that you go with 20 seconds, API_TIMEOUT_LIMIT=20000, since no job should reasonably ever take longer than that, so you might save a bit of compute if something is waiting for an API response which isn't likely to arrive.

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This PR also includes a few refactors, including

• Moving readin of env vars to top of file
• Making some long lines more reusable wrapped in func
• Adding toString where a val might possibly not be str
• Adding key props to iterated react children to improve re-render perf
• Some more detailed info messaging
• Logging timeout info to console, along with err and succ

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