feat: add Expander primitive

[yeung-wah]

add Expander primitive

Description of changes:

adding support for expander primitive, both of the primitives would contain children

sample input

{
  "id": "1234-5678-9010",
  "componentType": "Expander",
  "name": "ExpanderPrimitive",
  "properties": {
    "type": {
      "value": "single",
      "type": "String"
    },
    "isCollapsible": {
      "value": true,
      "type": "Boolean"
    }
  },
  "children": [
    {
      "componentType": "ExpanderItem",
      "properties": {
        "title": {
          "value": "title1"
        },
        "value": {
          "value": "ExpanderItem1"
        },
        "children": {
          "value": "ExpanderItem1Content"
        }
      }
    },
    {
      "componentType": "ExpanderItem",
      "properties": {
        "title": {
          "value": "title2"
        },
        "value": {
          "value": "ExpanderItem2"
        },
        "children": {
          "value": "ExpanderItem2Content"
        }
      }
    }
  ]
}

output

/* eslint-disable */
import React from "react";
import { getOverrideProps } from "@aws-amplify/ui-react/internal";
import {
  EscapeHatchProps,
  Expander,
  ExpanderItem,
  ExpanderProps,
} from "@aws-amplify/ui-react";

export type ExpanderPrimitiveProps = React.PropsWithChildren<
  Partial<ExpanderProps> & {
    overrides?: EscapeHatchProps | undefined | null;
  }
>;
export default function ExpanderPrimitive(
  props: ExpanderPrimitiveProps
): React.ReactElement {
  const { overrides: overridesProp, ...rest } = props;
  const overrides = { ...overridesProp };
  return (
    /* @ts-ignore: TS2322 */
    <Expander
      type="single"
      isCollapsible={true}
      {...rest}
      {...getOverrideProps(overrides, "Expander")}
    >
      <ExpanderItem
        title="title1"
        value="ExpanderItem1"
        children="ExpanderItem1Content"
        {...getOverrideProps(overrides, "Expander.ExpanderItem[0]")}
      ></ExpanderItem>
      <ExpanderItem
        title="title2"
        value="ExpanderItem2"
        children="ExpanderItem2Content"
        {...getOverrideProps(overrides, "Expander.ExpanderItem[1]")}
      ></ExpanderItem>
    </Expander>
  );
}

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