Move files in preparation for monorepo migration

apps/knossos/components/ui/NavStack.vue

@@ -0,0 +1,32 @@
+<template>
+  <nav>
+    <ul>
+      <slot />
+    </ul>
+  </nav>
+</template>
+
+<script>
+export default {}
+</script>
+
+<style lang="scss" scoped>
+ul {
+  display: flex;
+  flex-direction: column;
+  grid-gap: var(--spacing-card-xs);
+  flex-wrap: wrap;
+  list-style-type: none;
+  margin: 0;
+  padding: 0;
+
+  > :first-child {
+    margin-top: 0;
+  }
+}
+
+li {
+  display: unset;
+  text-align: unset;
+}
+</style>