Refactor move docs (#8108)

* feat: [skip] generate readme script

* docs: [skip ci] update READMEs

* docs: [skip ci] fix code block type

* chore: [skip ci] move generator script

packages/babel-plugin-transform-flow-comments/README.md

@@ -1,71 +1,19 @@
 # @babel/plugin-transform-flow-comments
 
-> Turn flow type annotations into comments.
+> Turn flow type annotations into comments
 
-You should be able to use this plugin instead of `@babel/plugin-flow-strip-types` to preserve the `/* @flow */` directive and still use flow.
+See our website [@babel/plugin-transform-flow-comments](https://new.babeljs.io/docs/en/next/babel-plugin-transform-flow-comments.html) for more information.
 
-[Flow Comments Blog Post](http://flowtype.org/blog/2015/02/20/Flow-Comments.html)
+## Install
 
-## Example
-
-**In**
-
-```javascript
-function foo(bar?) {}
-function foo2(bar?: string) {}
-function foo(x: number): string {}
-type B = {
-  name: string;
-};
-export type GraphQLFormattedError = number;
-import type A, { B, C } from './types';
-import typeof D, { E, F } from './types';
-```
-
-**Out**
-
-```javascript
-"use strict";
-
-function foo(bar /*:: ?*/) {}
-function foo2(bar /*:: ?: string*/) {}
-function foo(x /*: number*/) /*: string*/ {}
-/*:: type B = {
-  name: string;
-};*/
-/*:: export type GraphQLFormattedError = number;*/
-/*:: import type A, { B, C } from './types';*/
-/*:: import typeof D, { E, F } from './types';*/
-```
-
-## Installation
+Using npm:
 
 ```sh
-npm install --save-dev @babel/plugin-transform-flow-comments
+npm install --save @babel/plugin-transform-flow-comments
 ```
 
-## Usage
-
-### Via `.babelrc` (Recommended)
-
-**.babelrc**
-
-```json
-{
-  "plugins": ["@babel/plugin-transform-flow-comments"]
-}
-```
-
-### Via CLI
+or using yarn:
 
 ```sh
-babel --plugins @babel/plugin-transform-flow-comments script.js
-```
-
-### Via Node API
-
-```javascript
-require("@babel/core").transform("code", {
-  plugins: ["@babel/plugin-transform-flow-comments"]
-});
+yarn add --save @babel/plugin-transform-flow-comments
 ```