npm: bump version to 0.3.0
New Feature
-------------
* life-cycle: extract and process source maps (#123)
* adapters: async processHtml
* life-cycle: add read-or-copy-local-resource
* resource: support file protocol (#126)
Misc
-------------
* types: export type CheerioElement
* resource: optional skip replacePath processing in case of parser error (#107)
* resource: fix new type of Buffer.from (#116)
* build(deps): bump cheerio from 1.0.0-rc.3 to 1.0.0-rc.5
* io: mkdirRetry returns no string
* life-cycle: add download-streaming-resource to default
* skip-links: skip unix scheme
* skip-links: allow file protocol
* download: skip non-http url
* (BREAKING) resource: refactor createResource (#139)
