Implement codemods for createReducer and createSlice builder

[martinerko]

ref #2301

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Latest deployment of this branch, based on commit 60b154d:

Sandbox	Source
Vanilla	Configuration
Vanilla Typescript	Configuration
rsk-github-issues-example	Configuration
@examples-query-react/basic	Configuration
@examples-query-react/advanced	Configuration
@examples-action-listener/counter	Configuration

[phryneas]

Thanks! Could you please move this to a separate folder packages/codemods?

[markerikson]

@martinerko do you have time to move these files and update the PR, or should we handle it?

[martinerko]

@martinerko do you have time to move these files and update the PR, or should we handle it?

Sorry I have been extremely busy last couple of weeks and I am afraid I will not have enough time untill end of this month. I am happy to look into it early September if that helps

[markerikson]

@martinerko no problem - I'll take care of updating this PR so we can get these published alongside 1.9 when it's ready (hopefully soon-ish!)

Thanks for putting this together!

[markerikson]

Looks like the commit was done directly on your fork's master branch, so I can't push my changes up.

Given that, I'm going to close this PR, cherry-pick the commit into a new branch myself, and push and merge that.

Thank you for putting these together!

[markerikson]

Ported to #2602 , moved them to a new packages/rtk-codemods folder and added a placeholder package.json. Thanks!