first working implementation

build.sh

@@ -0,0 +1,17 @@
+#!/bin/sh -eu
+
+w1="$(mktemp out_$$_1_XXXX.js)"
+
+elm make --optimize --output=${w1} src/Main.elm 1>&2
+
+w2="$(mktemp out_$$_XXXX.js)"
+
+cat dom.js ${w1} launch.js > ${w2}
+
+rm ${w1}
+
+qjs --std ${w2}
+
+# if qjs fails, output file will stay for debugging, else
+
+rm ${w2}