Add dot navigation

client/layouts/dot-navigation/Cover.jsx

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+import React from 'react';
+
+import Frame from '../../placeholders/Frame';
+
+const Cover = () => {
+    return (
+        <Frame>
+            <div className="h-100 flex flex-column items-center justify-center">
+                <div className="flex items-center">
+                    <div className="mh1 br-pill ba b--black-30" style={{ height: '8px', width: '8px' }} />
+                    <div className="mh1 br-pill bg-black-30" style={{ height: '8px', width: '8px' }} />
+                    <div className="mh1 br-pill ba b--black-30" style={{ height: '8px', width: '8px' }} />
+                    <div className="mh1 br-pill ba b--black-30" style={{ height: '8px', width: '8px' }} />
+                </div>
+            </div>
+        </Frame>
+    );
+};
+
+export default Cover;

client/layouts/dot-navigation/Details.jsx

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+import React, { useState } from 'react';
+
+import DetailsLayout from '../../DetailsLayout';
+import BrowserFrame from '../../placeholders/BrowserFrame';
+import SampleCode from '../../SampleCode';
+
+const Details = () => {
+    const [activeItem, setActiveItem] = useState(0);
+
+    const Dot = ({ index }) => {
+        const isActive = index === activeItem;
+        const click = () => setActiveItem(index);
+        return (
+            <li
+                className={`pointer mh1 br-pill ${isActive ? 'bg-black-30' : 'ba b--black-30'}`}
+                style={{
+                    height: '12px',
+                    width: '12px',
+                }}
+                onClick={click}
+            />
+        );
+    };
+
+    return (
+        <DetailsLayout title="Dot navigation">
+            <BrowserFrame
+                content={
+                    <div className="h-100 flex flex-column items-center justify-center">
+                        <ul className="list ma0 pa0 flex items-center justify-center">
+                            <Dot index={0} />
+                            <Dot index={1} />
+                            <Dot index={2} />
+                            <Dot index={3} />
+                        </ul>
+                    </div>
+                }
+                source={
+<SampleCode
+lang="html"
+code={`
+<ul style="
+    /* Content is centered */
+    align-items: center;
+    display: flex;
+    justify-content: center;
+
+    /* Reset styles */
+    list-style-type: none;
+    margin: 0;
+    padding: 0;
+">
+    <li style="
+        /* Rounded border */
+        border-radius: 9999px;
+        height: 12px;
+        width: 12px;
+
+        /* Active dot */
+        background-color: rgba(0, 0, 0, .3);
+
+        /* Inactive dot */
+        background-color: transparent;
+        border: 1px solid rgba(0, 0, 0, .3);
+
+        /* OPTIONAL: Spacing between dots */
+        margin: 0 4px;
+    " />
+</div>
+`}
+/>
+                }
+            />
+        </DetailsLayout>
+    );
+};
+
+export default Details;