Add Telebit Docker Compose setup

Dockerfile

@@ -0,0 +1,21 @@
+FROM golang:1.22-alpine AS builder
+
+ARG TELEBIT_REF=master
+
+RUN apk add --no-cache git
+
+WORKDIR /src
+RUN git clone --depth 1 --branch "${TELEBIT_REF}" https://github.com/therootcompany/telebit.git .
+
+RUN go generate -mod=vendor ./...
+RUN CGO_ENABLED=0 go build -mod=vendor -ldflags="-s -w" -o /out/telebit-relay ./cmd/telebit
+RUN CGO_ENABLED=0 go build -mod=vendor -ldflags="-s -w" -o /out/telebit-mgmt ./cmd/mgmt
+
+FROM alpine:3.20
+
+RUN apk add --no-cache ca-certificates
+
+COPY --from=builder /out/telebit-relay /usr/local/bin/telebit-relay
+COPY --from=builder /out/telebit-mgmt /usr/local/bin/telebit-mgmt
+
+WORKDIR /var/lib/telebit