To Do.md

Add implicit caching to getSite method.

• Check if cached resonse present, compare expiry time, and either serve from cache or fetch, cache, and return
• Add cacheTime setting (class level, probably) and reasonable default value
• Add revalidate option to bypass cache and store updated response
• Add nocache option to bypass cache and not store updated response
• Move cache key generation to internal method

Remove Lemmy JS Client as Dependency

• Rewrite methods in client.ts to use the call wrapper and call endpoints directly instead of wrapping Lemmy HTTP client
• Pull in Lemmy types from Lemmy JS Client and create an export file
• Update client.ts to import Lemmy types from internal copy
• Update package index to export Lemmy types from internal copy instead of from LJS client
• Remove LJS client and Lemmy HTTP from client and package dependencies
• Remove cross-fetch entirely?
• Reimplement uploadImage method in client.ts
• Reimplement setHeaders method in client.ts

Create structure to organize native client types