Fix codesnippet in docs for API Key (#699)

# Description

Updates code snippet for current SDK version

https://e2b-web-git-fix-docs-api-key.e2b-preview.dev/docs

Author: jakubno

…/(docs)/docs/quickstart/api-key/page.mdx …web/src/app/(docs)/docs/api-key/page.mdxapps/web/src/app/(docs)/docs/quickstart/api-key/page.mdx renamed to apps/web/src/app/(docs)/docs/api-key/page.mdx apps/web/src/app/(docs)/docs/quickstart/api-key/page.mdx renamed to apps/web/src/app/(docs)/docs/api-key/page.mdx

@@ -12,20 +12,11 @@ To use the API key, you can either:
 import { Sandbox } from '@e2b/code-interpreter'
 
 const sandbox = await Sandbox.create({ apiKey: 'YOUR_API_KEY' })
-await sandbox.notebook.execCell('x = 1')
-
-const execution = await sandbox.notebook.execCell('x+=1; x')
-console.log(execution.text)  // outputs 2
-
-await sandbox.close()
 ```
 ```python {{ language: 'python' }}
-from e2b_code_interpreter import CodeInterpreter
+from e2b_code_interpreter import Sandbox
 
-with CodeInterpreter(api_key="YOUR_API_KEY") as code_interpreter:
-sandbox.notebook.exec_cell("x = 1")
-execution = sandbox.notebook.exec_cell("x+=1; x")
-print(execution.text)  # outputs 2
+sbx = Sandbox(api_key="YOUR_API_KEY")
 ```
 </CodeGroup>
 

apps/web/src/components/Navigation/routes.tsx

@@ -1,4 +1,4 @@
-import { Braces, CheckCircle, Home, MessagesSquare } from 'lucide-react'
+import { Braces, CheckCircle, Home, KeyRound, MessagesSquare } from 'lucide-react'
 import sdkRefRoutesJson from './sdkRefRoutes.json'
 
 enum Tag {
@@ -58,12 +58,13 @@ export const docRoutes: NavGroup[] = [
             title: 'Install custom packages',
             href: '/docs/quickstart/install-custom-packages',
           },
-          {
-            title: 'API Key',
-            href: '/docs/quickstart/api-key',
-          },
         ],
       },
+      {
+        title: 'API Key',
+        href: '/docs/api-key',
+        icon: <KeyRound size={16} />,
+      },
       {
         title: 'Cookbook',
         href: 'https://github.com/e2b-dev/e2b-cookbook',