Link to Pharo by Example is dead

[LinqLover]

https://github.com/Metacello/metacello/blob/master/docs/GettingStartedWithGitHub.md#:~:text=For%20more%20information%20about%20creating%20Metacello%20configurations%2C%20see%20the%20Metacello%20chapter%20of%20Pharo%20by%20Example.

I could not find a version of PbE online that contains the Metacello chapter. Can you give me a hint?