feat: add SelectFiles and add KnowledgeTesting (#60)

* feat: add KnowledgeTesting

* feat: add SelectFiles

web/src/pages/add-knowledge/components/knowledge-testing/index.tsx

@@ -0,0 +1,16 @@
+import { Flex } from 'antd';
+import TestingControl from './testing-control';
+import TestingResult from './testing-result';
+
+import styles from './index.less';
+
+const KnowledgeTesting = () => {
+  return (
+    <Flex className={styles.testingWrapper} gap={16}>
+      <TestingControl></TestingControl>
+      <TestingResult></TestingResult>
+    </Flex>
+  );
+};
+
+export default KnowledgeTesting;