Revert "docs: configuration overview describe serverURL and removed from code examples where not needed"

This reverts commit 5af3520aca.

docs/Admin/components.mdx

@@ -35,6 +35,7 @@ import { buildConfig } from 'payload/config';
 import { MyCustomNav, MyCustomLogo, MyCustomIcon, MyCustomAccount, MyCustomDashboard } from './customComponents.js';
 
 export default buildConfig({
+  serverURL: 'http://localhost:3000',
   admin: {
     components: {
       Nav: MyCustomNav,

docs/Admin/customizing-css.mdx

@@ -18,6 +18,7 @@ import { buildConfig } from 'payload/config';
 import path from 'path';
 
 const config = buildConfig({
+	serverURL: 'http://localhost:3000',
 	admin: {
 		css: path.resolve(__dirname, 'relative/path/to/stylesheet.scss'),
 	},
@@ -41,6 +42,7 @@ import { buildConfig } from 'payload/config';
 import path from 'path';
 
 const config = buildConfig({
+	serverURL: 'http://localhost:3000',
 	admin: {
 		scss: path.resolve(__dirname, 'relative/path/to/vars.scss'),
 	},

docs/Admin/overview.mdx

@@ -48,6 +48,7 @@ To specify which Collection to use to log in to the Admin panel, pass the `admin
 import { buildConfig } from 'payload/config';
 
 const config = buildConfig({
+  serverURL: 'http://localhost:3000',
   admin: {
     user: 'admins', // highlight-line
   },

docs/Admin/webpack.mdx

@@ -15,6 +15,7 @@ To extend the Webpack config, add the `webpack` key to your base Payload config,
 import { buildConfig } from 'payload/config';
 
 export default buildConfig({
+	serverURL: 'http://localhost:3000',
 	admin: {
 		// highlight-start
 		webpack: (config) => {
@@ -127,6 +128,7 @@ const createStripeSubscriptionPath = path.resolve(__dirname, 'collections/Subscr
 const mockModulePath = path.resolve(__dirname, 'mocks/emptyObject.js');
 
 export default buildConfig({
+	serverURL: 'http://localhost:3000',
 	collections: [
 		Subscription
 	],

docs/authentication/overview.mdx

@@ -129,6 +129,7 @@ To define domains that should allow users to identify themselves via the Payload
 import { buildConfig } from 'payload/config';
 
 const config = buildConfig({
+  serverURL: 'http://localhost:3000',
   collections: [
     // collections here
   ],

docs/configuration/express.mdx

@@ -16,6 +16,7 @@ Payload utilizes a few Express-specific middleware packages within its own route
 
 ```js
 {
+	serverURL: 'http://localhost:3000',
 	express: {
 		json: {
 			limit: '4mb',
@@ -36,6 +37,7 @@ To customize compression options, pass an object to the Payload config's `expres
 
 ```js
 {
+	serverURL: 'http://localhost:3000',
 	express: {
 		compression: {
 			// settings go here

docs/configuration/localization.mdx

@@ -16,6 +16,7 @@ Add the `localization` property to your Payload config to enable localization pr
 
 ```js
 {
+	serverURL: 'http://localhost:3000',
 	collections: [
 		... // collections go here
 	],

docs/configuration/overview.mdx

@@ -18,7 +18,6 @@ Payload is a *config-based*, code-first CMS and application framework. The Paylo
 
 | Option               | Description  |
 | -------------------- | -------------|
-| `serverURL`          | A string used to define the absolute URL of your app including the protocol, for example `https://'example.com`. Defaults to using a relative path. |
 | `collections`        | An array of all Collections that Payload will manage. To read more about how to define your collection configs, [click here](/docs/configuration/collections). |
 | `globals`            | An array of all Globals that Payload will manage. For more on Globals and their configs, [click here](/docs/configuration/globals). |
 | `admin`              | Base Payload admin configuration. Specify custom components, control metadata, set the Admin user collection, and [more](/docs/admin/overview#options). |
@@ -43,6 +42,7 @@ Payload is a *config-based*, code-first CMS and application framework. The Paylo
 import { buildConfig } from 'payload/config';
 
 const config = buildConfig({
+	serverURL: 'http://localhost:3000',
 	collections: [
 		{
 			slug: 'pages',

docs/getting-started/installation.mdx

@@ -38,12 +38,7 @@ From there, the first step is writing a baseline config. Create a new `payload.c
 import { buildConfig } from 'payload/config';
 
 export default buildConfig({
-  // By default, nothing is required in your config.
-  // Payload will boot up normally and you will be provided with
-  // a base `User` collection.
-  // But, here is where you define how you'd like Payload to work!
-  // Check out the options below to see everything you can do
-  // with Payload.
+  serverURL: 'http://localhost:3000',
 });
 ```
 

docs/graphql/extending.mdx

@@ -38,6 +38,7 @@ import { buildConfig } from 'payload/config';
 import myCustomQueryResolver from './graphQL/resolvers/myCustomQueryResolver';
 
 export default buildConfig({
+  serverURL: 'http://localhost:3000',
   graphQL: {
     // highlight-start
     queries: (GraphQL, payload) => {

docs/upload/overview.mdx

@@ -82,6 +82,7 @@ A common example of what you might want to customize within Payload-wide Upload
 import { buildConfig } from 'payload/config';
 
 export default buildConfig({
+  serverURL: 'http://localhost:3000',
   collections: [
     {
       slug: 'media',