New caching system plus various other fixes

See merge request !1

rephrase

method names and find the right backend the same way jussi did

JSONRPC specs suggests that IDs can be strings or numbers. https://www.jsonrpc.org/specification

Force Set To Bullseye

Bumps [h2](https://github.com/hyperium/h2) from 0.3.16 to 0.3.19.
- [Release notes](https://github.com/hyperium/h2/releases)
- [Changelog](https://github.com/hyperium/h2/blob/master/CHANGELOG.md)
- [Commits](https://github.com/hyperium/h2/compare/v0.3.16...v0.3.19

)

---
updated-dependencies:
- dependency-name: h2
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <support@github.com>

Bumps [openssl](https://github.com/sfackler/rust-openssl) from 0.10.46 to 0.10.54.
- [Release notes](https://github.com/sfackler/rust-openssl/releases)
- [Commits](https://github.com/sfackler/rust-openssl/compare/openssl-v0.10.46...openssl-v0.10.54

)

---
updated-dependencies:
- dependency-name: openssl
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <support@github.com>

- Add follow_api and tags_api to support Beem (python library)

- Remove follow_api and tags_api (wrong implementation, unnecessary)

- Update error codes.
- Update response structure.

- Change error codes.
- Increase payload limit to 100KB.
- Version bump

- Don't cache empty get_block_range calls.
- Version bump

- Return null values, but don't cache

- Improve hived error handling/responses
- Adhere to JSONRPC 2.0 standard.
- Add more endpoints, default endpoints to correct places

- Limit max request to 512KB
- Version bump

- Allow API calls that aren't necessarily sent with right header

Co-authored-by: Bora <kulkalkul@users.noreply.github.com>

- Ignore content-type header (jussi-like)
- Version bump

- Add config.json.example and external config support
- Add docker-compose for easier maintenance

- Write logs to a file called `drone.log` instead of printing it.
- Version bump to 0.1.2