chore: setup markdown formatting (#3224)

* chore(deps): upgrade prettier to v1.8.2

* chore: setup lint-docs script

* docs: add `<!-- prettier-ignore -->`s

* docs: format docs

* Revert "docs: format docs"

This reverts commit 6dba903987dddc498cb589ca311905f25b6aee53.

* chore(prettierrc): set `--no-prose-wrap`

* docs: format docs

* Revert "docs: format docs"

This reverts commit 139bd744b6921916be8fac4fa3bab83bae5d12df.

* docs: tweak

* docs: format docs

* chore: rename .prettierrc

* chore: rename back to .prettierrc

* chore: split out third-party

* refactor: fix linting

* chore: do not split out third-party on website

docs/related-projects.md

@@ -5,38 +5,32 @@ title: Related Projects
 
 ## ESLint Integrations
 
-- [`eslint-plugin-prettier`](https://github.com/prettier/eslint-plugin-prettier) plugs Prettier into your ESLint workflow
-- [`eslint-config-prettier`](https://github.com/prettier/eslint-config-prettier) turns off all ESLint rules that are unnecessary or might conflict with Prettier
-- [`prettier-eslint`](https://github.com/prettier/prettier-eslint)
-passes `prettier` output to `eslint --fix`
-- [`prettier-standard`](https://github.com/sheerun/prettier-standard)
-uses `prettier` and `prettier-eslint` to format code with standard rules
-- [`prettier-standard-formatter`](https://github.com/dtinth/prettier-standard-formatter)
-passes `prettier` output to `standard --fix`
+* [`eslint-plugin-prettier`](https://github.com/prettier/eslint-plugin-prettier) plugs Prettier into your ESLint workflow
+* [`eslint-config-prettier`](https://github.com/prettier/eslint-config-prettier) turns off all ESLint rules that are unnecessary or might conflict with Prettier
+* [`prettier-eslint`](https://github.com/prettier/prettier-eslint) passes `prettier` output to `eslint --fix`
+* [`prettier-standard`](https://github.com/sheerun/prettier-standard) uses `prettier` and `prettier-eslint` to format code with standard rules
+* [`prettier-standard-formatter`](https://github.com/dtinth/prettier-standard-formatter) passes `prettier` output to `standard --fix`
 
 ## TSLint Integrations
 
-- [`tslint-plugin-prettier`](https://github.com/ikatyang/tslint-plugin-prettier) runs Prettier as a TSLint rule and reports differences as individual TSLint issues
-- [`tslint-config-prettier`](https://github.com/alexjoverm/tslint-config-prettier) use TSLint with Prettier without any conflict
-- [`prettier-tslint`](https://github.com/azz/prettier-tslint)
-passes `prettier` output to `tslint --fix`
+* [`tslint-plugin-prettier`](https://github.com/ikatyang/tslint-plugin-prettier) runs Prettier as a TSLint rule and reports differences as individual TSLint issues
+* [`tslint-config-prettier`](https://github.com/alexjoverm/tslint-config-prettier) use TSLint with Prettier without any conflict
+* [`prettier-tslint`](https://github.com/azz/prettier-tslint) passes `prettier` output to `tslint --fix`
 
 ## stylelint Integrations
 
-- [`prettier-stylelint`](https://github.com/hugomrdias/prettier-stylelint)
-passes `prettier` output to `stylelint --fix`
-- [`stylelint-config-prettier`](https://github.com/shannonmoeller/stylelint-config-prettier) turns off all rules that are unnecessary or might conflict with Prettier.
+* [`prettier-stylelint`](https://github.com/hugomrdias/prettier-stylelint) passes `prettier` output to `stylelint --fix`
+* [`stylelint-config-prettier`](https://github.com/shannonmoeller/stylelint-config-prettier) turns off all rules that are unnecessary or might conflict with Prettier.
 
 ## Forks
 
-- [`prettier-miscellaneous`](https://github.com/arijs/prettier-miscellaneous)
-`prettier` with a few minor extra options
+* [`prettier-miscellaneous`](https://github.com/arijs/prettier-miscellaneous) `prettier` with a few minor extra options
 
 ## Misc
 
-- [`neutrino-preset-prettier`](https://github.com/SpencerCDixon/neutrino-preset-prettier) allows you to use Prettier as a Neutrino preset
-- [`prettier_d`](https://github.com/josephfrazier/prettier_d.js) runs Prettier as a server to avoid Node.js startup delay. It also supports configuration via `.prettierrc`, `package.json`, and `.editorconfig`.
-- [`Prettier Bookmarklet`](https://prettier.glitch.me/) provides a bookmarklet and exposes a REST API for Prettier that allows to format CodeMirror editor in your browser
-- [`prettier-github`](https://github.com/jgierer12/prettier-github) formats code in GitHub comments
-- [`rollup-plugin-prettier`](https://github.com/mjeanroy/rollup-plugin-prettier) allows you to use Prettier with Rollup
-- [`markdown-magic-prettier`](https://github.com/camacho/markdown-magic-prettier) allows you to use Prettier to format JS [codeblocks](https://help.github.com/articles/creating-and-highlighting-code-blocks/) in Markdown files via [Markdown Magic](https://github.com/DavidWells/markdown-magic)
+* [`neutrino-preset-prettier`](https://github.com/SpencerCDixon/neutrino-preset-prettier) allows you to use Prettier as a Neutrino preset
+* [`prettier_d`](https://github.com/josephfrazier/prettier_d.js) runs Prettier as a server to avoid Node.js startup delay. It also supports configuration via `.prettierrc`, `package.json`, and `.editorconfig`.
+* [`Prettier Bookmarklet`](https://prettier.glitch.me/) provides a bookmarklet and exposes a REST API for Prettier that allows to format CodeMirror editor in your browser
+* [`prettier-github`](https://github.com/jgierer12/prettier-github) formats code in GitHub comments
+* [`rollup-plugin-prettier`](https://github.com/mjeanroy/rollup-plugin-prettier) allows you to use Prettier with Rollup
+* [`markdown-magic-prettier`](https://github.com/camacho/markdown-magic-prettier) allows you to use Prettier to format JS [codeblocks](https://help.github.com/articles/creating-and-highlighting-code-blocks/) in Markdown files via [Markdown Magic](https://github.com/DavidWells/markdown-magic)