Use timeout instead of explicit sbx.kill() in template examples

Replace explicit sandbox cleanup with timeout parameter across all
template example pages. This simplifies the usage examples while
ensuring sandboxes are automatically terminated after 60 seconds.

Author: beran-t

docs/template/examples/claude-code.mdx

@@ -75,10 +75,10 @@ Start a sandbox with your API key and run prompts.
 <CodeGroup>
 
 ```typescript JavaScript & TypeScript
-// sandbox.ts
 import { Sandbox } from 'e2b'
 
 const sbx = await Sandbox.create('claude-code', {
+  timeoutMs: 60_000,
   envs: {
     ANTHROPIC_API_KEY: '<your api key>',
   },
@@ -89,16 +89,14 @@ const result = await sbx.commands.run(
   { timeoutMs: 0 }
 )
 console.log(result.stdout)
-
-await sbx.kill()
 ```
 
 ```python Python
-# sandbox.py
 from e2b import Sandbox
 
 sbx = Sandbox(
     'claude-code',
+    timeout=60,
     envs={
         'ANTHROPIC_API_KEY': '<your api key>',
     },
@@ -109,8 +107,6 @@ result = sbx.commands.run(
     timeout=0,
 )
 print(result.stdout)
-
-sbx.kill()
 ```
 
 </CodeGroup>

docs/template/examples/desktop.mdx

@@ -186,27 +186,21 @@ Start a sandbox and open the desktop in your browser.
 <CodeGroup>
 
 ```typescript JavaScript & TypeScript
-// sandbox.ts
 import { Sandbox } from 'e2b'
 
-const sbx = await Sandbox.create('desktop')
+const sbx = await Sandbox.create('desktop', { timeoutMs: 60_000 })
 
 const url = sbx.getHost(6080)
 console.log('Desktop available at:', url)
-
-await sbx.kill()
 ```
 
 ```python Python
-# sandbox.py
 from e2b import Sandbox
 
-sbx = Sandbox('desktop')
+sbx = Sandbox('desktop', timeout=60)
 
 url = sbx.get_host(6080)
 print('Desktop available at:', url)
-
-sbx.kill()
 ```
 
 </CodeGroup>

docs/template/examples/docker.mdx

@@ -69,26 +69,20 @@ Start a sandbox and run containers.
 
 <CodeGroup>
 ```typescript JavaScript & TypeScript
-// sandbox.ts
 import { Sandbox } from 'e2b'
 
-const sbx = await Sandbox.create('e2b-docker-template')
+const sbx = await Sandbox.create('e2b-docker-template', { timeoutMs: 60_000 })
 
 const result = await sbx.commands.run('sudo docker run --rm alpine echo "Hello from Alpine!"')
 console.log(result.stdout)
-
-await sbx.kill()
 ```
 
 ```python Python
-# sandbox.py
 from e2b import Sandbox
 
-sbx = Sandbox('e2b-docker-template')
+sbx = Sandbox('e2b-docker-template', timeout=60)
 
 result = sbx.commands.run('sudo docker run --rm alpine echo "Hello from Alpine!"')
 print(result.stdout)
-
-sbx.kill()
 ```
 </CodeGroup>

docs/template/examples/expo.mdx

@@ -75,26 +75,20 @@ Start a sandbox and get the URL where your Expo app is running.
 
 <CodeGroup>
 ```typescript JavaScript & TypeScript
-// sandbox.ts
 import { Sandbox } from 'e2b'
 
-const sbx = await Sandbox.create('expo-app')
+const sbx = await Sandbox.create('expo-app', { timeoutMs: 60_000 })
 
 const url = sbx.getHost(8081)
 console.log('Expo app running at:', url)
-
-await sbx.kill()
 ```
 
 ```python Python
-# sandbox.py
 from e2b import Sandbox
 
-sbx = Sandbox('expo-app')
+sbx = Sandbox('expo-app', timeout=60)
 
 url = sbx.get_host(8081)
 print('Expo app running at:', url)
-
-sbx.kill()
 ```
 </CodeGroup>

docs/template/examples/nextjs-bun.mdx

@@ -83,26 +83,20 @@ Start a sandbox and get the URL where your app is running.
 
 <CodeGroup>
 ```typescript JavaScript & TypeScript
-// sandbox.ts
 import { Sandbox } from 'e2b'
 
-const sbx = await Sandbox.create('nextjs-app-bun')
+const sbx = await Sandbox.create('nextjs-app-bun', { timeoutMs: 60_000 })
 
 const url = sbx.getHost(3000)
 console.log('Next.js app running at:', url)
-
-await sbx.kill()
 ```
 
 ```python Python
-# sandbox.py
 from e2b import Sandbox
 
-sbx = Sandbox('nextjs-app-bun')
+sbx = Sandbox('nextjs-app-bun', timeout=60)
 
 url = sbx.get_host(3000)
 print('Next.js app running at:', url)
-
-sbx.kill()
 ```
 </CodeGroup>

docs/template/examples/nextjs.mdx

@@ -85,26 +85,20 @@ Start a sandbox and get the URL where your app is running.
 
 <CodeGroup>
 ```typescript JavaScript & TypeScript
-// sandbox.ts
 import { Sandbox } from 'e2b'
 
-const sbx = await Sandbox.create('nextjs-app')
+const sbx = await Sandbox.create('nextjs-app', { timeoutMs: 60_000 })
 
 const url = sbx.getHost(3000)
 console.log('Next.js app running at:', url)
-
-await sbx.kill()
 ```
 
 ```python Python
-# sandbox.py
 from e2b import Sandbox
 
-sbx = Sandbox('nextjs-app')
+sbx = Sandbox('nextjs-app', timeout=60)
 
 url = sbx.get_host(3000)
 print('Next.js app running at:', url)
-
-sbx.kill()
 ```
 </CodeGroup>