Mdast

Change

* 1376ede Remove `Footnote`
**migrate**: use GFM footnotes (`FootnoteDefinition`, `FootnoteReference`),
it doesn’t support inline notes
* f7df75f Remove static phrasing content
**migrate**: use phrasing content (in markdown, there are cases where
interactive content can occur in other interactive content)
by wooorm in https://github.com/syntax-tree/mdast/pull/42

Misc

* fad4dcc Rename `YAML` interface to `Yaml`
* 97f053f Rename `HTML` interface to `Html`
* eace3f0 Add types section
* 8b081fb Refactor to prefer single quotes
* 26910e6 Refactor docs
* 6759e41 Move `FootnoteDefinition`, `FootnoteReference` to GFM section
* 1325046 Update dotfiles
* 46c3181 e6b43aa Update reference to logo
* 4ef4cfc Fix typo

Util

* 7007698 Update list of utilities
* 5bb157f Add `mdast-util-hidden` to list of utilities
by Xunnamius in https://github.com/syntax-tree/mdast/pull/41
* 27f6550 Add `mdast-util-from-adf` to list of utilities
by klappradla in https://github.com/syntax-tree/mdast/pull/40

**Full Changelog**: https://github.com/syntax-tree/mdast/compare/4.0.0...5.0.0

* fa5623a Update (slightly) `label` vs `identifier`
* 1556753 Fix content models
* 6058935 Move extensions to their own section

* fa392c2 Add `spread` to `List`, `ListItem` (see remarkjs/remark364)
* dbb1ede Add `label` to `Association` (see GH-23)
* f49890b Rewrite specification (see syntax-tree/unist17, syntax-tree/unist18, GH-21, GH-24)
* 5bf6788 Change `info` in Code to `meta` (see GH-22)
* d797ea3 Add `info` to Code (see GH-22)

* 64f416a Add `License` section to `readme.md`
* 426e8e7 Add `Acknowledgments` section to `readme.md`
* 9f1108c Add `Contribute` section to `readme.md`
* 252778b Add `contributing.md`
* 1a83738 Add `code-of-conduct.md`
* 8716024 Update references to logo
* 6205835 Update logo
* 9dbb4cb Add note about non-standardising yaml in the future
* 24615f3 Add note about non-list-items in lists

Refactor

* 455b819 Migrate to `syntax-tree`
* 5ad50f6 Remove warning

Miscellaneous but possibly noteworthy

* d1013ed Migrate utilities to `syntax-tree`
* 19029be Add `mdast-util-to-nlcst` to list of utilities
* 3ae4b24 Add `mdast-util-compact` to list of utilities
* a34e1a6 Add `mdast-util-assert` to list of utilities
* cebb977 Add `mdast-util-toc` to list of utilities
* e6e0988 Add `mdast-util-to-hast` to list of utilities
* 210f16a Add table of contents
* 69a5331 Add list of utilities

Changes

[2.0.0...2.1.0](https://github.com/syntax-tree/mdast/compare/2.0.0...2.1.0)

Changes
- Remove `tableHeader` definition (GH-6, 7d5eb5e)
- Rename `link`, `src`, and `href` properties to `url` (GH-8, 94fd6d4)
- Remove `undefined` for `checked` on list-items (GH-7, fbf003a)
- Rename `horizontalRule` to `thematicBreak` (GH-3, ad733c5)

Patches
- Add definition for `referenceType` (13218e9)

Changes

[`1.0.0...2.0.0`](https://github.com/wooorm/mdast/compare/1.0.0...2.0.0)