Fix CRAN check import NOTE (#85)

Co-authored-by: Jakub Sobolewski <[email protected]>

[Bugfix #59] `yarn webpack` works in `liquid` tutorial

docs: Use mailto link in README

Merge pull request #58 from Appsilon/release-0.3.0

Release 0.3.0

refactor: Use withShinyBindings HOC to avoid div wrappers

Merge pull request #28 from Appsilon/kamil.cran-resubmit

Prepare for CRAN resubmission

Merge pull request #20 from Appsilon/jakub.update-button

Support updates for components created with ButtonAdapter

Update NEWS.md

Add NEWS and bump version