feat!: type auto-generation (#6657)

Types are now auto-generated by default.

You can opt-out of this behavior by setting:
```ts
buildConfig({
  // Rest of config
  typescript: {
    autoGenerate: false
  },
})
```

test/plugin-seo/config.ts

@@ -1,3 +1,7 @@
+import { fileURLToPath } from 'node:url'
+import path from 'path'
+const filename = fileURLToPath(import.meta.url)
+const dirname = path.dirname(filename)
 import { seoPlugin } from '@payloadcms/plugin-seo'
 import { en } from '@payloadcms/translations/languages/en'
 import { es } from '@payloadcms/translations/languages/es'
@@ -63,4 +67,7 @@ export default buildConfigWithDefaults({
       uploadsCollection: 'media',
     }),
   ],
+  typescript: {
+    outputFile: path.resolve(dirname, 'payload-types.ts'),
+  },
 })

test/plugin-seo/payload-types.ts

@@ -87,6 +87,8 @@ export interface Media {
   filesize?: number | null;
   width?: number | null;
   height?: number | null;
+  focalX?: number | null;
+  focalY?: number | null;
 }
 /**
  * This interface was referenced by `Config`'s JSON-Schema