Add About page and Privacy Policy (placeholder)

Resolves #3 (closed). Implements placeholders for (#14 (closed), #4 (closed))

frontend/src/components/About/About.js

+import About from '@/components/About/About';
+
+// @vue/component
+export default {
+  name: 'About',
+  components: {
+    About,
+  },
+
+  /**
+   * Generate the data for this component.
+   *
+   * @returns {Object} Data for the Dashboard component.
+   */
+  data() {
+    return {};
+  },
+  computed: {
+  },
+  methods: {
+  },
+};