add telemetry (#6926)

* add telemetry

* fix go mod

* add default telemetry server url

* Update README.md

* replace with broker count instead of s3 count

* Update telemetry.pb.go

* github action to deploy

telemetry/server/Dockerfile

@@ -0,0 +1,18 @@
+FROM golang:1.21-alpine AS builder
+
+WORKDIR /app
+COPY go.mod go.sum ./
+RUN go mod download
+
+COPY . .
+RUN CGO_ENABLED=0 GOOS=linux go build -a -installsuffix cgo -ldflags '-extldflags "-static"' -o telemetry-server .
+
+FROM alpine:latest
+RUN apk --no-cache add ca-certificates
+WORKDIR /root/
+
+COPY --from=builder /app/telemetry-server .
+
+EXPOSE 8080
+
+CMD ["./telemetry-server"]