bug: custom fonts - not all loading, incorrect tailwind weights

[OmarMcAdam]

Provide environment information

all

Describe the bug

were loading in custom font JetBrainsMono
https://github.com/un/augmented/apps/mobile/src/app/index.tsx#L31
https://github.com/un/augmented/apps/mobile/tailwind.config.ts#L62

were not loading in all font weights

and tailwind font weight classes such as font-semibold & font-thin are not working
I have made a hacky workaround by adding new font names font-mono-light etc

we should implement proper font loading

Link to reproduction

asd

To reproduce

run in dev

Additional information

No response