added yammer feed inc. react-inline-script

src/app/features/yammerFeed/YammerFeed.js

+import React from 'react';
+import PropTypes from 'prop-types';
+
+const YammerFeed = props => {
+  return (
+    <div
+      id="#embeddedFeed"
+      style={{ height: props.divHeight, width: props.divWidth }}
+    ></div>
+  );
+};
+
+YammerFeed.propTypes = {
+  divHeight: PropTypes.number,
+  divWidth: PropTypes.number,
+};
+
+export default YammerFeed;