Enable Flow Strict

src/components/Feed/Feed.js

@@ -1,4 +1,4 @@
-// @flow
+// @flow strict
 import React from 'react';
 import moment from 'moment';
 import { Link } from 'gatsby';

src/components/Feed/Feed.test.js

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

src/components/Feed/index.js

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