loader: add docker build for linux

alchitry-loader/Dockerfile

@@ -0,0 +1,16 @@
+FROM debian:bookworm AS deps
+
+RUN apt-get update -qq && apt-get install -qq -y --no-install-recommends build-essential
+
+
+
+FROM deps AS build
+
+ADD . /workspace
+WORKDIR /workspace
+
+RUN make loader
+
+
+FROM scratch AS export
+COPY --from=build /workspace/loader /