Chore
* chore(docs): Black & Litterman Factor model updated with deeply nested models ([`a5b038b`](https://github.com/skfolio/skfolio/commit/a5b038b58241740a658bf6c2213c5c5c5beca87c))
* chore(readme): BL views updated ([`b849570`](https://github.com/skfolio/skfolio/commit/b849570a84ad9b755289087dd6d4022a7e79661e))
* chore(doc): example link typo in user guide ([`d722814`](https://github.com/skfolio/skfolio/commit/d7228142fc993a3821c8db479519222570016f98))
Fix
* fix(test): nested Black & Litterman tests added ([`1188b2c`](https://github.com/skfolio/skfolio/commit/1188b2ca98b905931d7e70230afe9e5df6c64593))
* fix(prior): Factor model updated with y propagation ([`8cbc5cc`](https://github.com/skfolio/skfolio/commit/8cbc5ccee48e60750b8d529168e3cf5c46b40043))
* fix(prior): in BlackLitterman, y propagation was missing for embedded models ([`cc4adc1`](https://github.com/skfolio/skfolio/commit/cc4adc14a9a76ee1e449839ef490674c19ba34a6))