Merge branch 'feature/improve-2p2c-doc' into 'master'

[2p2c][doc] rewrite model documentation

See merge request !3056

(cherry picked from commit 6a70b718)

fcec69e3 [doc][2p2c] rephrase/rearrange docu
5 jobs for !3085 with cherry-pick-6a70b718
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