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-form-builder/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 type { Block } from 'payload/types'
 
 import { formBuilderPlugin, fields as formFields } from '@payloadcms/plugin-form-builder'
@@ -97,4 +101,7 @@ export default buildConfigWithDefaults({
       redirectRelationships: ['pages'],
     }),
   ],
+  typescript: {
+    outputFile: path.resolve(dirname, 'payload-types.ts'),
+  },
 })

test/plugin-form-builder/payload-types.ts

@@ -231,6 +231,7 @@ export interface FormSubmission {
         id?: string | null;
       }[]
     | null;
+  custom?: string | null;
   payment?: {
     field?: string | null;
     status?: string | null;