build: bump rules_docker and instructions for installing bazelisk

[subotic]

No description provided.

[subotic]

@SepidehAlassi Ok, now it should really work :-)

[SepidehAlassi]

It looks good with bazelisk, thanks for your work.
However, there is a problem with documentation:

`# build webapi

$ bazel build //webapi`

`#run api (webapi)

$ bazel run //:api`

Doing so one gets an error that the target 'api' is not declared in the package.

I believe the correct target is webapi, so please either change the documentation to state
`#run api (webapi)

$ bazel run //:webapi`

Or change the configuration so that the target is api, then the documentation should be
`# build api

$ bazel build //api`

`#run api (api)

$ bazel run //:api`

[subotic]

@SepidehAlassi I tried to clarify the installation instructions a bit more and I've fixed the other thing. Can you please approve?

[SepidehAlassi]

@subotic so there is no bazel run command to run the api anymore ?
I remember there was a bazel run \\... to run everything, do you wanna add it to documentation?

[subotic]

There is. Just running the API does not make much sense without the whole stack. It won't work.

[subotic]

With bazel you can only run one target at a time. This is why we still have make and docker-compose.

[SepidehAlassi]

Thanks for the quick fix!

[subotic]

@SepidehAlassi Thanks for the review :-)