chibipop v0.9.0

What's Changed

• docs: keep a blank copy of every build in Documents by @stellarie in #10
• fix(scripts): never delete what the user put in the copy folder by @stellarie in #11
• feat: plugin system with meikiocr OCR adapter by @stellarie in #12
• chore: bump version to 1.0.0-rc by @stellarie in #13
• docs: rewrite README in STE100 English by @stellarie in #14
• chore: version 0.9.0 by @stellarie in #15

Full Changelog: v0.8.2...v0.9.0