readme: use a temporary container
Remove the container after usage, so it doesn't pollute the docker server.
Also, the interactive flags isn't needed.
@@ -72,7 +72,7 @@ To build the `sgdk` base image:
And then to compile the local env, such as `samples` for example:
cd sample/sprite
- docker run -it -v $PWD:/src sgdk
+ docker run --rm -v $PWD:/src sgdk
Note: `$PWD` will not work on Windows, there `%CD%` has to be used instead.
