WIP: kitsu-core typescript implementations & JSON:API v1.1 type definitions

[pedep]

Currently work in progress, but im opening the PR now to let @wopian peek at my progress.

I'm aware i may not be refactoring in-line with your visions, and am very open to critique and changes to fit the project coding-style.

Progress

• [ ] kitsu-core
  • [x] ~~camel~~ (replaced by case-anything dep)
  • [x] ~~kebab~~ (replaced by case-anything dep)
  • [x] ~~snake~~ (replaced by case-anything dep)
  • [x] deattribute
  • [x] deepEqual
  • [x] deserialise
  • [x] error
  • [x] filterIncludes
  • [ ] linkRelationships
  • [x] query
  • [x] serialise
  • [x] splitModel
• [ ] kitsu
  • [ ] get
  • [ ] patch
  • [ ] post
  • [ ] delete
  • [ ] self
  • [ ] request

[wopian]

Thanks for taking this up! Overall it is looking very good so far! 🎉