feat: anade app playground con catalogo de componentes

apps/playground/public/assets/icons/chevron-down.svg

@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Generator: Adobe Illustrator 26.1.0, SVG Export Plug-In . SVG Version: 6.00 Build 0)  -->
+<svg
+  version="1.1"
+  id="Capa_1"
+  xmlns="http://www.w3.org/2000/svg"
+  xmlns:xlink="http://www.w3.org/1999/xlink"
+  x="0px"
+  y="0px"
+  viewBox="0 0 16 16"
+  style="enable-background: new 0 0 16 16"
+  xml:space="preserve"
+>
+  <g>
+    <path
+      d="M8.1,11.3c-0.4,0-0.8-0.2-1.1-0.5L2.1,5.7c-0.2-0.2-0.2-0.6,0-0.8c0.2-0.2,0.6-0.2,0.8,0L7.9,10
+		c0.1,0.1,0.2,0.1,0.2,0.1c0,0,0.1,0,0.2-0.1L13,4.9c0.2-0.2,0.6-0.3,0.8,0c0.2,0.2,0.3,0.6,0,0.8l-4.7,5.1
+		C8.9,11.1,8.5,11.3,8.1,11.3C8.1,11.3,8.1,11.3,8.1,11.3z"
+    />
+  </g>
+</svg>