[skip ci] Update README

README.md

@@ -7,25 +7,30 @@
 [npm]: https://www.npmjs.com/package/@paperist/remark-math
 [license]: https://3846masa.mit-license.org
 [standard-readme]: https://github.com/RichardLitt/standard-readme
-
-[npm-badge]: https://img.shields.io/npm/v/@paperist/remark-math.svg?style=flat-square&logo=data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACAAAAAgBAMAAACBVGfHAAAABGdBTUEAALGPC/xhBQAAAAFzUkdCAK7OHOkAAAAbUExURcwAAOeIiP////G7u/ri4tIZGdpFReJsbPC3t075sZwAAAAvSURBVCjPY2CgDWAThIMEsACjEhwIUCZg0dGCIqASwMAxMgXAgSzOwMAOC2TqAwBvzR4JxLaP0gAAAABJRU5ErkJggg==
-[license-badge]: https://img.shields.io/badge/license-MIT-blue.svg?style=flat-square&logo=data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQBAMAAADt3eJSAAAAIGNIUk0AAHomAACAhAAA%2BgAAAIDoAAB1MAAA6mAAADqYAAAXcJy6UTwAAAAVUExURSBTICJcIiNgIiZoJTuhNyt3Kf///%2BCqxSgAAAAGdFJOUwpclbn%2B4Fj6/H8AAAABYktHRAZhZrh9AAAACXBIWXMAAA3XAAAN1wFCKJt4AAAAB3RJTUUH4AkEEjEV7MDQQwAAAGBJREFUCNc1TUEKgDAMi07vE/Q%2BRD8g%2B4BbvAvi/79iMjDQJm1CC6BbDzRsZI3incIpYeYFhCaYnLiyPYnYkwWZFWoFHrSuttCmmbwXh0eJQYVON4JthZTxCzzAmyb8%2BAAKXBRyN6RyZQAAAABJRU5ErkJggg==
-[standard-readme-badge]: https://img.shields.io/badge/standard--readme-OK-green.svg?style=flat-square
+[npm-badge]: https://flat.badgen.net/npm/v/@paperist/remark-math
+[license-badge]: https://flat.badgen.net/badge/license/MIT/blue
+[standard-readme-badge]: https://flat.badgen.net/badge/standard-readme/OK/green
 
 > [wooorm/remark] plugin for math likes [KaTeX] / [MathJax]
 
 [wooorm/remark]: https://github.com/wooorm/remark
-[KaTeX]: https://khan.github.io/KaTeX/
-[MathJax]: https://www.mathjax.org/
+[katex]: https://khan.github.io/KaTeX/
+[mathjax]: https://www.mathjax.org/
 
 ## Table of Contents
 
+<!-- TOC depthFrom:2 depthTo:3 updateOnSave:false -->
+
 - [Install](#install)
 - [Usage](#usage)
 - [AST](#ast)
+  - [`Math`](#math)
+  - [`InlineMath`](#inlinemath)
 - [Contribute](#contribute)
 - [License](#license)
 
+<!-- /TOC -->
+
 ## Install
 
 ```
@@ -51,10 +56,12 @@ radius \\(r\\) is the set of all points \\((x, y)\\) such that
 > https://en.wikipedia.org/wiki/Circle
 `;
 
-const processor = unified().use(parser).use(math);
+const processor = unified()
+  .use(parser)
+  .use(math);
 const ast = processor.parse(markdown);
 
-processor.run(ast).then(ast => {
+processor.run(ast).then((ast) => {
   console.dir(ast, { depth: null });
 });
 ```
@@ -68,10 +75,10 @@ See also [mdast], [unist].
 
 ### `Math`
 
-`Math` extends [`Text`][unist-text].
+`Math` extends [`Literal`][unist-literal].
 
 ```typescript
-interface Math extends Text {
+interface Math extends Literal {
   type: 'math';
   math: string;
 }
@@ -97,10 +104,10 @@ Yields:
 
 ### `InlineMath`
 
-`InlineMath` extends [`Text`][unist-text].
+`InlineMath` extends [`Literal`][unist-literal].
 
 ```typescript
-interface InlineMath extends Text {
+interface InlineMath extends Literal {
   type: 'inlineMath';
   math: string;
 }
@@ -122,14 +129,12 @@ Yields:
 }
 ```
 
-[unist-text]: https://github.com/syntax-tree/unist#text
+[unist-literal]: https://github.com/syntax-tree/unist#literal
 
 ## Contribute
 
 PRs accepted.
 
 ## License
 
-![3846masa] MIT (c) 3846masa
-
-[3846masa]: https://www.gravatar.com/avatar/cfeae69aae4f4fc102960f01d35d2d86?s=50
+[MIT (c) 3846masa](https://3846masa.mit-license.org)