[Sync EN] Revise the Yar extension documentation (#5804)

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Commit: https://github.com/php/doc-en/commit/75d48299ef85693f10eee31af1be88488fb84c6f
PR: https://github.com/php/doc-en/pull/5804

Archivos ES a actualizar

• reference/yar/book.xml
• reference/yar/configure.xml
• reference/yar/constants.xml
• reference/yar/examples.xml
• reference/yar/ini.xml
• reference/yar/setup.xml
• reference/yar/yar-client-exception.xml
• reference/yar/yar-client-packager-exception.xml
• reference/yar/yar-client-protocol-exception.xml
• reference/yar/yar-client-transport-exception.xml
• reference/yar/yar-client.xml
• reference/yar/yar-concurrent-client.xml
• reference/yar/yar-server-exception.xml
• reference/yar/yar-server-output-exception.xml
• reference/yar/yar-server-packager-exception.xml
• reference/yar/yar-server-protocol-exception.xml
• reference/yar/yar-server-request-exception.xml
• reference/yar/yar-server.xml
• reference/yar/yar_client/call.xml
• reference/yar/yar_client/construct.xml
• reference/yar/yar_client/setopt.xml
• reference/yar/yar_client_exception/gettype.xml
• reference/yar/yar_concurrent_client/call.xml
• reference/yar/yar_concurrent_client/loop.xml
• reference/yar/yar_concurrent_client/reset.xml
• reference/yar/yar_server/construct.xml
• reference/yar/yar_server/handle.xml
• reference/yar/yar_server_exception/gettype.xml

Nuevos archivos EN (aún no traducidos)

• reference/yar/yar_client/getopt.xml