feat: Create releases with make releases

Fixes #22.

Signed-off-by: Julien Riou <julien@riou.xyz>

docker/build.sh

@@ -0,0 +1,20 @@
+#!/bin/bash
+# Script to create releases with Docker
+# Used by `make releases_with_docker`
+set -e
+
+if [ -z "UID" ] ; then
+    echo "UID not defined"
+    exit 1
+fi
+if [ -z "GID" ] ; then
+    echo "GID not defined"
+    exit 1
+fi
+
+apt-get update
+apt-get install -y libx11-dev
+
+make releases
+
+chown ${UID}:${GID} -R releases