Scoped: rename installation instructions for presets [skip ci]

packages/babel-preset-es2015/README.md

@@ -5,7 +5,7 @@
 ## Install
 
 ```sh
-npm install --save-dev babel-preset-es2015
+npm install --save-dev @babel/preset-es2015
 ```
 
 ## Usage

packages/babel-preset-es2016/README.md

@@ -5,7 +5,7 @@
 ## Install
 
 ```sh
-npm install --save-dev babel-preset-es2016
+npm install --save-dev @babel/preset-es2016
 ```
 
 ## Usage

packages/babel-preset-es2017/README.md

@@ -5,7 +5,7 @@
 ## Install
 
 ```sh
-npm install --save-dev babel-preset-es2017
+npm install --save-dev @babel/preset-es2017
 ```
 
 ## Usage

packages/babel-preset-flow/README.md

@@ -23,7 +23,7 @@ function foo(one, two, three) {}
 ## Installation
 
 ```sh
-npm install --save-dev babel-preset-flow
+npm install --save-dev @babel/preset-flow
 ```
 
 ## Usage

packages/babel-preset-react/README.md

@@ -24,7 +24,7 @@ And with the `development` option:
 Install the CLI and this preset
 
 ```sh
-npm install --save-dev babel-cli babel-preset-react
+npm install --save-dev @babel/cli @babel/preset-react
 ```
 
 Make a .babelrc config file with the preset

packages/babel-preset-stage-0/README.md

@@ -5,7 +5,7 @@
 ## Install
 
 ```sh
-npm install --save-dev babel-preset-stage-0
+npm install --save-dev @babel/preset-stage-0
 ```
 
 ## Usage

packages/babel-preset-stage-1/README.md

@@ -15,7 +15,7 @@ The gist of Stage 1 is:
 ## Install
 
 ```sh
-npm install --save-dev babel-preset-stage-1
+npm install --save-dev @babel/preset-stage-1
 ```
 
 ## Usage

packages/babel-preset-stage-2/README.md

@@ -17,7 +17,7 @@ The gist of Stage 2 is:
 ## Install
 
 ```sh
-npm install --save-dev babel-preset-stage-2
+npm install --save-dev @babel/preset-stage-2
 ```
 
 ## Usage

packages/babel-preset-stage-3/README.md

@@ -17,7 +17,7 @@ The gist of Stage 3 is:
 ## Install
 
 ```sh
-npm install --save-dev babel-preset-stage-3
+npm install --save-dev @babel/preset-stage-3
 ```
 
 ## Usage

packages/babel-preset-typescript/README.md

@@ -25,7 +25,7 @@ const x = 0;
 ## Installation
 
 ```sh
-npm install --save-dev babel-preset-typescript
+npm install --save-dev @babel/preset-typescript
 ```
 
 ## Usage

packages/babel-register/README.md

@@ -10,7 +10,7 @@ fly. This is equivalent to CoffeeScript's
 ## Install
 
 ```sh
-npm install babel-register --save-dev
+npm install @babel/register --save-dev
 ```
 
 ## Usage

packages/babel-template/README.md

@@ -7,7 +7,7 @@ In computer science, this is known as an implementation of quasiquotes.
 ## Install
 
 ```sh
-npm install --save-dev babel-template
+npm install --save-dev @babel/template
 ```
 
 ## Usage

packages/babel-traverse/README.md

@@ -5,7 +5,7 @@
 ## Install
 
 ```sh
-$ npm install --save babel-traverse
+$ npm install --save @babel/traverse
 ```
 
 ## Usage

packages/babel-types/README.md

@@ -5,7 +5,7 @@
 ## Install
 
 ```sh
-npm install --save-dev babel-types
+npm install --save-dev @babel/types
 ```
 
 ## API