docs: add guide for building Gradio frontend with CrewAI

.crossnote/parser.js

@@ -0,0 +1,12 @@
+({
+  // Please visit the URL below for more information:
+  // https://shd101wyy.github.io/markdown-preview-enhanced/#/extend-parser
+
+  onWillParseMarkdown: async function(markdown) {
+    return markdown;
+  },
+
+  onDidParseMarkdown: async function(html) {
+    return html;
+  },
+})