🔨(y-webrtc-signaling) dockerize y-webrtc-signaling

Dockerize y-webrtc-signaling for futur deployment.
Add a docker-compose file to run easily
the signaling server.

src/frontend/Dockerfile

@@ -0,0 +1,17 @@
+FROM node:20-alpine as y-webrtc-signaling
+
+WORKDIR /home/frontend/
+
+COPY ./package.json .
+COPY ./apps/y-webrtc-signaling/package.json ./apps/y-webrtc-signaling/
+COPY ./packages/eslint-config-impress/package.json ./packages/eslint-config-impress/
+
+RUN yarn install
+
+COPY . .
+
+WORKDIR /home/frontend/apps/y-webrtc-signaling
+
+RUN yarn build
+
+CMD ["yarn", "start"]