chore: Port over mission statement and gtag (#34262)

- [x] I have read [freeCodeCamp's contribution guidelines](https://github.com/freeCodeCamp/freeCodeCamp/blob/master/CONTRIBUTING.md).
- [x] My pull request has a descriptive title (not a vague title like `Update index.md`)
- [x] My pull request targets the `master` branch of freeCodeCamp.


Closes #18184

client/src/components/Header/components/Login.js

@@ -6,6 +6,8 @@ import { Button } from '@freecodecamp/react-bootstrap';
 import { hardGoTo } from '../../../redux';
 import { apiLocation } from '../../../../config/env.json';
 
+import { gtagReportConversion } from '../../../analytics/gtag';
+
 import './login.css';
 
 const mapStateToProps = () => ({});
@@ -15,6 +17,7 @@ const mapDispatchToProps = dispatch => ({
 
 const createOnClick = navigate => e => {
   e.preventDefault();
+  gtagReportConversion();
   return navigate(`${apiLocation}/signin`);
 };