* the cache is now bootstrapped from the token index and registry map
* a token index filter auto updates the cache when a token is added (using add sig)
* minor fixes to filters
* This is a major refactor and includes general improvements around
- context cancellation
- build settings
- jetstream pub sub
- logging
- docker builds
- conf loading
* update config to better defaults
* add docs, inline and md
* add context support throughout
* replace json with goccy/go-json for better decoding of large JSON
* update graphql fetcher: replace ioutil with io
* test runner script (until CI is ready)
* update CI build config