improvement: flow coverage

src/components/Post/Content/Content.js

@@ -1,7 +1,13 @@
+// @flow
 import React from 'react';
 import styles from './Content.module.scss';
 
-const Content = ({ body, title }) => (
+type Props = {
+  body: string,
+  title: string
+};
+
+const Content = ({ body, title }: Props) => (
   <div className={styles['content']}>
     <h1 className={styles['content__title']}>{title}</h1>
     <div className={styles['content__body']} dangerouslySetInnerHTML={{ __html: body }} />

src/components/Post/Content/Content.test.js

@@ -1,3 +1,4 @@
+// @flow
 import React from 'react';
 import renderer from 'react-test-renderer';
 import Content from './Content';

src/components/Post/Content/index.js

@@ -1 +1,2 @@
+// @flow
 export { default } from './Content';