docs: replace every nuxt.config.js sample with nuxt.config.js|ts (#861)

docs/content/1.getting-started/3.bridge.md

@@ -57,7 +57,7 @@ Please make sure to avoid any CommonJS syntax such as `module.exports`, `require
 
 You can use static `import`, dynamic `import()` and `export default` instead. Using TypeScript by renaming to `nuxt.config.ts` is also possible and recommended.
 
-```ts [nuxt.config.ts]
+```ts [nuxt.config.js|ts]
 import { defineNuxtConfig } from '@nuxt/bridge'
 
 export default defineNuxtConfig({
@@ -114,7 +114,7 @@ Avoid the usage of `__dirname` and `__filename` as much as possible.
 
 🐛 Is something wrong? Please let us know by creating an issue. Also, you can easily disable bridge in the meantime:
 
-```ts [nuxt.config.js]
+```ts [nuxt.config.js|ts]
 import { defineNuxtConfig } from '@nuxt/bridge'
 
 export default defineNuxtConfig({

docs/content/3.docs/3.deployment/1.azure.md

@@ -16,7 +16,7 @@ How to deploy Nuxt to Azure Static Web Apps or Azure Functions.
 
 ### Setup
 
-```js [nuxt.config.js]
+```ts [nuxt.config.js|ts]
 export default {
   nitro: {
     preset: 'azure_functions'

docs/content/3.docs/3.deployment/5.pm2.md

@@ -16,7 +16,7 @@ How to deploy Nuxt to a Node.js hosting using PM2.
 
 Make sure another preset isn't set in `nuxt.config`.
 
-```ts [nuxt.config.js]
+```ts [nuxt.config.js|ts]
 export default {
   nitro: {
     // this is the default preset so you can also just omit it entirely

docs/content/3.docs/3.deployment/99.presets/custom.md

@@ -19,7 +19,7 @@ You can create your own custom build preset. See [the provided presets](https://
 
 You can define everything that a custom preset would configure directly in the Nitro options:
 
-```ts [nuxt.config.js]
+```ts [nuxt.config.js|ts]
 export default {
   nitro: {
     // preset options
@@ -43,7 +43,7 @@ export default myPreset
 
 Then in your `nuxt.config` you can specify that Nitro should use your custom preset:
 
-```ts [nuxt.config.js]
+```ts [nuxt.config.js|ts]
 import { resolve } from 'path'
 
 export default {

docs/scripts/nuxt.config.md

@@ -1,6 +1,6 @@
 ---
 icon: IconFile
-title: nuxt.config.js
+title: nuxt.config.ts
 head.title: Nuxt configuration file
 ---