feat: added helper dev container build script

docker-dev-container.sh

@@ -0,0 +1,29 @@
+#!/bin/bash
+
+denv=FORCE_COLOR=3
+volume=$(pwd)/.ass-data:/opt/ass-src/.ass-data
+workdir=/opt/ass-src/
+port=40115:40115
+
+# container name:tag (tag is unix timestamp)
+cname=ass:$(date +%s)
+
+# build image
+docker buildx build -t $cname .
+
+# run the new image
+docker run -it -e $denv -v $volume -w $workdir -p $port $cname
+
+# wait for exit
+
+echo
+echo
+echo -e "\033[32m\033[1mTo use this image again, run:\033[0m"
+echo
+echo "  docker run -it \\"
+echo "    -e $denv \\"
+echo "    -v \$(pwd)/.ass-data:/opt/ass-src/.ass-data \\"
+echo "    -w $workdir \\"
+echo "    -p $port \\"
+echo "    $cname"
+echo