Actualize rule example in docs, rename $ruleContext to $context

[arogachev]

Q	A
Is bugfix?	❌
New feature?	❌
Breaks BC?	❌

Thanks to @vjik for discovering.

[what-the-diff]

PR Summary

• Method Signature Update in ActionRule
  The execute method within ActionRule has been modified. Now, it accepts not only a user ID, which can be empty, but also an object named RuleContext. This change enables the method to check if a user's action matches a preset value—in this case, 'home'—and make decisions based on that.

• Documentation Comments Improved
  The explanations given in the code's commentary have been updated to reflect these modifications in the execute method. This ensures all developers can understand and use this function correctly.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 100.00%. Comparing base (44912db) to head (b76fb91).

❗ Current head b76fb91 differs from pull request most recent head 0417de5. Consider uploading reports for the commit 0417de5 to get more accurate results

Additional details and impacted files

@@             Coverage Diff             @@
##              master      #259   +/-   ##
===========================================
  Coverage     100.00%   100.00%           
  Complexity       222       222           
===========================================
  Files             14        14           
  Lines            552       552           
===========================================
  Hits             552       552           

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