Add support for local ai speech to text

[Tomywang999]

Description

Add support for local AI speech-to-text.

Type of Change

• [x] New feature (non-breaking change which adds functionality)

Suggested Checklist:

• [x] I have performed a self-review of my own code
• [x] I have commented my code, particularly in hard-to-understand areas
• [x] My changes generate no new warnings
• [x] I ran dev/reformat(backend) and cd web && npx lint-staged(frontend) to appease the lint gods

[Tomywang999]

test file being passed, the local test being passed