chore: restructure project into yarn workspaces, remove next

packages/design-system/.storybook/preview-head.html

@@ -0,0 +1,39 @@
+<script>
+    (function (d) {
+        var config = {
+                kitId: 'bck0pci',
+                scriptTimeout: 3000,
+                async: true,
+            },
+            h = d.documentElement,
+            t = setTimeout(function () {
+                h.className = h.className.replace(/\bwf-loading\b/g, '') + ' wf-inactive';
+            }, config.scriptTimeout),
+            tk = d.createElement('script'),
+            f = false,
+            s = d.getElementsByTagName('script')[0],
+            a;
+        h.className += ' wf-loading';
+        tk.src = 'https://use.typekit.net/' + config.kitId + '.js';
+        tk.async = true;
+        tk.onload = tk.onreadystatechange = function () {
+            a = this.readyState;
+            if (f || (a && a != 'complete' && a != 'loaded')) return;
+            f = true;
+            clearTimeout(t);
+            try {
+                Typekit.load(config);
+            } catch (e) {}
+        };
+        s.parentNode.insertBefore(tk, s);
+    })(document);
+</script>
+<style>
+    body {
+        font-family: 'source-han-sans-japanese', 'Source Sans Pro', sans-serif,
+            'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol' !important;
+        color: #f2efef;
+        background-color: #453e3d;
+        margin: 0;
+    }
+</style>