As agreed in [the site structure document](https://docs.google.com/document/d/10Fu7oqDzdM_D6LbexzwX9arh51Tic7AGvkWTQrL6jjQ/edit), revamp the `Extending` page such that - Outline: - `LoggerContextFactory` - `ContextSelector` - `ConfigurationFactory` - `LoggerConfig` - `LogEventFactory` - `MessageFactory` - Revamp `customloglevels.adoc` - Take apache/logging-log4j-transform#92 into account - Link to “Lookups > Extending lookups” - Link to “Layouts > Extending layouts” - Link to “Appenders > Extending appenders” - Link to “Filters > Extending filters” - Target `2.x`, port to `main`
As agreed in the site structure document, revamp the
Extendingpage such thatLoggerContextFactoryContextSelectorConfigurationFactoryLoggerConfigLogEventFactoryMessageFactorycustomloglevels.adoclog4j-corelogging-log4j-transform#92 into account2.x, port tomain