CEC-287 Add connection status to vehicles page (#63)

* Add connection status to vehicles page

* ConnectedIcon control

* Handle Style

src/components/Controls/ConnectedIcon/index.jsx

@@ -0,0 +1,21 @@
+import React from "react";
+import PropTypes from "prop-types";
+import CheckCircleIcon from "@material-ui/icons/CheckCircle";
+
+const ConnectedIcon = (props) => {
+  if (props.connected) {
+    return (
+      <span style={props.style}>
+        <CheckCircleIcon style={{ color: "Green", fontSize: 12 }} />
+      </span>
+    );
+  }
+
+  return null;
+};
+
+ConnectedIcon.propTypes = {
+  connected: PropTypes.bool.isRequired,
+};
+
+export default ConnectedIcon;