Copy v0.23.0 retroactive docs into `versioned_docs /version-v0.23.0`

[Savio-Sou]

Some of the retroactive v0.23.0 documenting PRs added docs in docs/docs, but not in versioned_docs/version-v0.23.0.

Relevant PRs:

• chore(docs): update hashes page to pull in code #4175
• chore(doc): Add docs for assert_max_bit_size #4196
• chore: document u128 feature #4225
• chore: document noir_wasm #4213
• chore: Document bn254 lib #4311