Make demo public

.gitignore

@@ -0,0 +1,11 @@
+node_modules/
+
+/app/config.*
+!/app/config.example.js
+
+/server/config.*
+!/server/config.example.js
+/server/public/
+/server/certs/*
+!/server/certs/mediasoup-demo.localhost.cert.pem
+!/server/certs/mediasoup-demo.localhost.key.pem