SimpleChat:sh: Add simple shell script to run python3 http.server

So one needs to run the llm server locally
then run this script and access it using a local browser

examples/server/public_simplechat/simplechat.sh

@@ -0,0 +1,9 @@
+
+PORT=$1
+
+if [ "$PORT" == "" ]; then
+	PORT=9000
+fi
+
+echo "Open http://127.0.0.1:$PORT/simplechat.html in your local browser"
+python3 -m http.server $PORT