added packages to support markdown

added dummy pages for about and contact.
updated tailwind.config.js to include config/*.json to scan for classes.
refactored system basics. Removed component-props, using generic LayoutComponentDefinition and LayoutContext. cleanup component-map. Updated renderer to be more failsafe.

new abstracted components:
 vt-mega-menu,
vt-sidemenu,
vt-banner with 3 variants,
vt-header,
vt-homebutton,
vt-cartbutton,
vt-accountbutton,
vt-linkbutton,

src/modules/layout/templates/vt-banner/banner-ticker.module.css

@@ -0,0 +1,12 @@
+@keyframes bannerTicker {
+  0% { transform: translateX(100%); }
+  100% { transform: translateX(-100%); }
+}
+
+.ticker {
+  display: flex;
+  white-space: nowrap;
+  align-items: center;
+  animation: bannerTicker linear infinite;
+    height: 100%;  
+}