* docs(README): Roadmap and maintainer note improvements

* Apply suggestions from code review

Co-authored-by: David <[email protected]>

* Remove SDK wording

* Update README.md

Co-authored-by: David <[email protected]>

* lib instead of library

* Apply suggestions from code review

Co-authored-by: joe petrowski <[email protected]>

Co-authored-by: David <[email protected]>
Co-authored-by: joe petrowski <[email protected]>

Bumps [@typescript-eslint/parser](https://github.com/typescript-eslint/typescript-eslint/tree/HEAD/packages/parser) from 4.3.0 to 4.4.1.
- [Release notes](https://github.com/typescript-eslint/typescript-eslint/releases)
- [Changelog](https://github.com/typescript-eslint/typescript-eslint/blob/master/packages/parser/CHANGELOG.md)
- [Commits](https://github.com/typescript-eslint/typescript-eslint/commits/v4.4.1/packages/parser)

Signed-off-by: dependabot-preview[bot] <[email protected]>

Co-authored-by: dependabot-preview[bot] <27856297+dependabot-preview[bot]@users.noreply.github.com>

* fix: Update from TRANSASCTION_VERSION to EXTRINSIC_VERSION

* Remove stray code

* feat: Add `proxy.{proxyAnnounced, announce}`, `utility.asDerivative`

* Add docs to methods; Run yarn docs

* Update src/methods/utility/asDerivative.spec.ts

Co-authored-by: David <[email protected]>

* Explain proxy filtering

* Update doc comments

* Yarn docs

Co-authored-by: David <[email protected]>

* Tests not working

* Tests working

* small update'

* bug: Update `addProxy` and `removeProxy`

* Add rejectProxy`

* Update exports

* Apply suggestions from code review

Co-authored-by: joe petrowski <[email protected]>

* Run yarn docs

Co-authored-by: joe petrowski <[email protected]>