Ollama time out

[Rajackar]

… implementation.

Summary

Added the option to set a timout for Ollama. Defaults to 120 seconds like the original value

Why

Avoids timeout when running Ollama on mid range or lower hardware. The results will come in but will take a bit longer.

Scope

• Focused bug fix
• [x ] Small UX improvement
• New source
• Dashboard change
• Docs/config change

Validation

Validated the new value is used and fallback to 120 seconds work

Screenshots

N/A

Config and Docs

• No new environment variables
• [x ] .env.example updated if needed
• [ x] README.md updated if behavior changed

Source Additions

If this PR adds a new source, explain:

N/A

Checklist

• This PR stays within one bugfix or one feature family
• I kept unrelated changes out of the diff
• I considered security for any mixed-source content rendering
• I tested the changed path locally