Add -D to instructions by default

Author: adamwathan

remark/withPrevalInstructions.js

@@ -192,7 +192,6 @@ function createPrevals({ tool: pageTool = error('UNKNOWN') } = {}) {
     setup({
       dependencies = [],
       uninstall = [],
-      dev = false,
       soon = false,
       tool = pageTool,
       version = 'latest',
@@ -224,9 +223,7 @@ function createPrevals({ tool: pageTool = error('UNKNOWN') } = {}) {
 
           return [
             hasMultipleVersion && `# If you're on ${name}`,
-            `npm install ${dev ? '-D ' : ''}${[...dependencies, ...knownDependencies[mode]].join(
-              ' '
-            )}`,
+            `npm install -D ${[...dependencies, ...knownDependencies[mode]].join(' ')}`,
           ]
             .filter(Boolean)
             .join('\n')

src/pages/docs/guides/laravel.mdx

@@ -7,7 +7,7 @@ tool: Laravel Mix
 ```preval installation
 tool: Laravel
 reference:
-  name: the Laravel Installer 
+  name: the Laravel Installer
   link: https://laravel.com/docs/8.x#the-laravel-installer
 script: laravel new
 npmInstall: true
@@ -16,7 +16,6 @@ npmInstall: true
 ---
 
 ```preval setup
-dev: true
 version: latest
 ```
 
@@ -25,7 +24,7 @@ postcss: false
 types:
   - Blade templates
   - JavaScript components
-purge: 
+purge:
   - ./resources/**/*.blade.php
   - ./resources/**/*.js
   - ./resources/**/*.vue

src/pages/docs/guides/nuxtjs.mdx

@@ -18,8 +18,7 @@ disclaimer: >
 ---
 
 ```preval setup
-dev: true
-version: 
+version:
   Nuxt.js: compat-7
 uninstall:
   - '@nuxtjs/tailwindcss'

src/pages/docs/guides/vue-3-vite.mdx

@@ -13,7 +13,6 @@ npmInstall: true
 ---
 
 ```preval setup
-dev: true
 version: latest
 ```