* dev:
  Bump version, update docs and changelog.
  Create separate wasm test file.
  Install wasm-pack for github actions.
  Setup github ci
  Fix clippy warnings.
  Add PR template.
  Tests for SharedPharos.
  Add SharedPharos. TODO: tests.
  Make Observe async and rename pharos::Error to PharErr.
  more chores
  chore: clean up CI, docs, contribution guidelines.
  downloads badge
  cleanup
  Clarify closure filter in readme.
  No longer depend on futures-channel separately.