fix(docs): update package-install code blocks to include 'copy'

Author: Rel1cx

apps/website/content/docs/getting-started/javascript.mdx

@@ -5,7 +5,7 @@ description: Getting started with JavaScript setup
 
 ## Install
 
-```package-install
+```package-install copy
 npm install --save-dev eslint @eslint/js @eslint-react/eslint-plugin
 ```
 

apps/website/content/docs/getting-started/typescript.mdx

@@ -5,7 +5,7 @@ description: Getting started with TypeScript setup
 
 ## Install
 
-```package-install
+```package-install copy
 npm install --save-dev typescript-eslint @eslint-react/eslint-plugin
 ```
 

apps/website/content/docs/using-an-alternative-parser/babel-eslint-parser.mdx

@@ -5,7 +5,7 @@ description: "Using @babel/eslint-parser as an alternative parser for JavaScript
 
 ## Install
 
-```package-install
+```package-install copy
 npm install --save-dev eslint @eslint/js globals @babel/core @babel/eslint-parser @babel/preset-env @babel/preset-react @eslint-react/eslint-plugin
 ```
 

apps/website/content/docs/using-an-alternative-parser/ts-blank-eslint-parser.mdx

@@ -16,7 +16,7 @@ Use it only if you are okay with the limitations.
 
 ## Install
 
-```package-install
+```package-install copy
 npm install --save-dev eslint typescript-eslint @eslint/js globals ts-blank-eslint-parser @eslint-react/eslint-plugin@next
 ```