Merge branch 'docker-rm' into 'dev'

Adding `--rm` to ligo.sh

See merge request ligolang/ligo!123

scripts/ligo.sh

@@ -4,7 +4,7 @@ if test "x$PWD" = "x"; then
   echo "Cannot detect the current directory, the environment variable PWD is empty."
   exit 1
 else
-  docker run -it -v "$PWD":"$PWD" -w "$PWD" ligolang/ligo:next "$@"
+  docker run --rm -it -v "$PWD":"$PWD" -w "$PWD" ligolang/ligo:next "$@"
 fi
 # Do not remove the next line. It is used as an approximate witness that the download of this file was complete. This string should not appear anywhere else in the file.
 # END OF DOWNLOADED FILE