Minor updates to documentation

Additionally the file size was reduced by excluding stuff like tests and grammar files.

First release

What's Changed

• Add addr-spec by @asimpletune in #4
• Message spec by @asimpletune in #5
• Fix nested Kleene star bug in dependency by @asimpletune in #6
• Add a wrapper around AST that exposes fields by @asimpletune in #9
• Add body field by @asimpletune in #10

Full Changelog: https://github.com/asimpletune/rfc5322-email-parser_ts/commits/v0.1.1