docs: move stories to EDS 2.0 (beta) section

Author: pomfrida

packages/eds-core-react/src/components/next/Checkbox/Checkbox.stories.tsx

@@ -12,7 +12,7 @@ import { Checkbox } from './Checkbox'
 import type { CheckboxProps } from './Checkbox.types'
 
 const meta: Meta<typeof Checkbox> = {
-  title: 'Next/Checkbox',
+  title: 'EDS 2.0 (beta)/Checkbox',
   component: Checkbox,
   parameters: {
     docs: {

packages/eds-core-react/src/components/next/Field/Field.stories.tsx

@@ -6,7 +6,7 @@ import type { FieldProps } from './Field.types'
 import { ValidationMessage } from '../ValidationMessage'
 
 const meta: Meta<typeof Field> = {
-  title: 'Next/Field',
+  title: 'EDS 2.0 (beta)/Field',
   component: Field,
   decorators: [
     (Story) => (

packages/eds-core-react/src/components/next/ValidationMessage/ValidationMessage.stories.tsx

@@ -3,7 +3,7 @@ import { Stack } from '../../../../.storybook/components'
 import { ValidationMessage } from './ValidationMessage'
 
 const meta: Meta<typeof ValidationMessage> = {
-  title: 'Next/ValidationMessage',
+  title: 'EDS 2.0 (beta)/ValidationMessage',
   component: ValidationMessage,
   decorators: [
     (Story) => (