chatclient.adoc - Replaced javaCopySimpleLoggerAdvisor with SimpleLoggerAdvisor - Fixed typo in the multiline String for ChatClient example

etl-pipeline.adoc - Fixed indent in the ParagraphPdfDocumentReader example

imageclient.adoc - Fixed indent of override annotation in the ImageGeneration example

testing.adoc - Added a semicolon to the Evaluator interface

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