release: bump version to 1.4.3 in package.json, remove extra command/…

…context item

release: bump version to 1.4.2 in package.json

remove unnecessary files entry from package.json

**What's New in 1.4.0**

- **New Versioning**: This extension now aligns with [semantic versioning](https://semver.org/) and is bumping from 0.3 to 1.4.0 on a minor release.

Merge pull request #3 from codybrom/v0.3

V0.3

rev version number

fix import dependencies and comments

readme update

add tokenizer and prettier