docs: Added documentation

Author: technikhil314

README.md

@@ -1,2 +1,25 @@
-Please dont use it production. And if you want to use it in production remove change certificate keys
-.
+# A webrtc demo with nextjs
+
+### Requirements
+
+1. Node >= v15.x
+2. npm >= v7
+
+### Code structure
+
+1. It is a monorepo managed by npm 7
+2. There are two packages backend and frontend
+3. Backend is just a small websocket server used for signaling
+4. Frontend is actual UI built with nextjs
+5. It uses google stun server for populating ice candidates
+
+### How to run
+
+1. Install all dependencies using `npm ci`
+1. npm run start --prefix packages/frontend
+1. npm run start --prefix packages/backend
+
+### How to build
+
+1. You dont need to build backend
+2. You can build frontend package with `npm run build --prefix packages/frontend` command