Doc: add docs on how to try the live demo

README.adoc

@@ -36,6 +36,25 @@ image:https://img.shields.io/github/license/yasa-org/yasa[capition="License", li
 |image:https://user-images.githubusercontent.com/15965696/85683362-bd799900-b6ff-11ea-85f5-a77df20822a1.png[]
 |===
 
+== Try The Live Demo
+
+IMPORTANT: Note that the live demo requires a running Solr server, whose APIs(or default admin) can be accessed via your
+browser, if not, start one locally via Docker.
+
+- Start up a Solr server (if you don't have one running already)
+
+[source,bash,subs="verbatim,attributes"]
+----
+docker run -p 8983:8983 -u root:root solr:8.5 sh -c 'solr start -force -c -e techproducts && tail -f /dev/null'
+----
+
+- Install link:https://www.requestly.in[requestly]
+
+- Import the rules from https://app.requestly.io/rules/#sharedList/1593944721039-YASA , and adjust the targeted Solr API
+address accordingly
+
+- Navigate your browser to https://yasa-org.github.io
+
 == Installation
 
 === Solr Plugin (Recommended)