Add Privacy Policy related improvements

various thing to make sure we're GDPR, et al compliant

web/src/components/Footer/Footer.js

@@ -0,0 +1,16 @@
+import { Link, routes } from '@redwoodjs/router'
+
+const Footer = () => {
+  return (
+    <div className="bg-indigo-900 text-indigo-200 font-roboto mt-20 text-sm">
+      <div className="flex h-16 justify-end items-center mx-16">
+        <Link className="mr-8" to={routes.codeOfConduct()}>
+          Code of Conduct
+        </Link>
+        <Link to={routes.privacyPolicy()}>Privacy Policy</Link>
+      </div>
+    </div>
+  )
+}
+
+export default Footer

web/src/components/Footer/Footer.stories.js

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+import Footer from './Footer'
+
+export const generated = () => {
+  return <Footer />
+}
+
+export default { title: 'Components/Footer' }

web/src/components/Footer/Footer.test.js

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+import { render } from '@redwoodjs/testing'
+
+import Footer from './Footer'
+
+describe('Footer', () => {
+  it('renders successfully', () => {
+    expect(() => {
+      render(<Footer />)
+    }).not.toThrow()
+  })
+})