Release 0.8.20: server fallback for single-root clients (credit: @rym…

Bump version to 0.8.19

Fix GitHub Actions build issues

Fix TypeScript compilation issues and update Node.js compatibility

Bumping version

Documenting changes and bumping version

Bumping version

Need to bundle tmLanguage json for #126

Bumping version

Need to upgrade node.js types based on errors from prior github action