feat(layout-system basics): Added component-map, component-props, configloader and renderer.

Added vt-template for nav and poc example footer.
Added ste.medusa-starter.design.json.
Probable starting point (main)/layout.tsx refactored to use dynamic layout renderer instead of hardcoded template.

src/modules/layout/templates/vt-nav/index.tsx

@@ -0,0 +1,26 @@
+import { listRegions } from "@lib/data/regions"
+import { StoreRegion } from "@medusajs/types"
+import SideMenu from "@modules/layout/components/side-menu"
+import { DynamicLayoutRenderer, DynamicLayoutRendererProps } from "vibentec/renderer"
+
+export default async function VtNav({ nodes, context }: DynamicLayoutRendererProps) {
+  const regions = await listRegions().then((regions: StoreRegion[]) => regions)
+
+  return (
+    <div className="sticky top-0 inset-x-0 z-50 group">
+      <header className="relative h-16 mx-auto border-b duration-200 bg-white border-ui-border-base">
+        <nav className="content-container txt-xsmall-plus text-ui-fg-subtle flex items-center justify-between w-full h-full text-small-regular">
+          <div className="flex-1 basis-0 h-full flex items-center">
+            <div className="h-full">
+              <SideMenu regions={regions} />
+            </div>
+          </div>
+
+          {nodes && (
+            <DynamicLayoutRenderer nodes={nodes} context={context} />
+          )}
+        </nav>
+      </header>
+    </div>
+  )
+}