feat: add debian packaging

fuck this is complicated. Why'd you make it so insane, debian
maintainers?
Please fix this.

It's working now, but Makefile must be modified... I dont like that.
Let's find another way

scripts/package-sci-deb.sh

@@ -0,0 +1,31 @@
+#!/bin/bash
+# TODO: SCI_VERSION env var
+debbuilder_image=$(docker images | grep debbuilder)
+set -e
+if [ -z $debbuilder_image ]; then
+    echo "building debbuilder image..."
+    docker build -t debbuilder -f deb-builder.dockerfile .
+fi
+
+echo "building source dist..."
+make dist
+
+echo "building .deb in debbuilder docker image..."
+docker run --rm -it -v .:/src debbuilder sh -c '\
+    cd && \
+    mkdir -p artifacts && \
+    cp /src/sci-1.0.0.tar.gz . && \
+    mv sci-1.0.0.tar.gz sci_1.0.0.orig.tar.gz && \
+    tar xf sci_1.0.0.orig.tar.gz && \
+    cd sci-1.0.0 && \
+    cp -r /src/debian . && \
+    debuild && \
+    cp ../*.deb ~/artifacts && \
+    cp ../*.dsc ~/artifacts && \
+    cp ../*.build ~/artifacts && \
+    cp ../*.buildinfo ~/artifacts && \
+    cp ../*.changes ~/artifacts && \
+    cp ../*.tar.xz ~/artifacts && \
+    cp ../*.tar.gz ~/artifacts && \
+    tar czf /src/artifacts.tar.gz ~/artifacts
+'