story: Add Consent component and default story

frontend/src/stories/Consent.stories.js

@@ -0,0 +1,43 @@
+
+import Consent from '../components/Consent/Consent';
+
+const defaultArgs = {
+    title: "This is the title",
+    text: "This is the text",
+    onNext: () => {console.log("Next button clicked")},
+    confirm: "Confirm",
+    deny: "Deny",
+    experiment: {
+        slug: "experiment-slug",
+    }
+}
+
+const getArgs = (args = {}) => ({ ...defaultArgs, ...args });
+
+export default {
+  title: 'Consent',
+  component: Consent,
+  parameters: {
+    layout: 'fullscreen',
+  },
+};
+
+export const Default = {
+    args: {
+        title: "This is the Consent component's title",
+        text: "<h2>This is the Consent component's text</h2><p>It can contain lists, headings, bold, italic and underlined text, you name it!</p><ul><li><b>Item 1</b></li><li><i>Item 2</i></li><li><u>Item 3</u></li></ul>",
+        onNext: () => {console.log("On next triggered")},
+        confirm: "Confirm",
+        deny: "Deny",
+        experiment: {
+            slug: "experiment-slug",
+        }
+    },
+    decorators: [
+        (Story) => (
+            <div style={{ width: '100%', height: '100%', backgroundColor: '#ddd', padding: '1rem' }}>
+                <Story />
+            </div>
+        ),
+    ],
+};