v0.8.6

What's Changed

• chore: configure codecov reporting and bundle size analysis by @bartveneman in #82
• chore: merge lexer into tokenizer file by @bartveneman in #83
• chore: move lengthy source code comments to API.md by @bartveneman in #84
• Move lengthy comments by @bartveneman in #86
• feat: add is_custom(str: string): boolean helper by @bartveneman in #87
• fix: handle super large (65535+ char) token lengths by @bartveneman in #88

Full Changelog: v0.8.5...v0.8.6