Improve typehints and docs in `diffusers/models` (#5312)
* improvement: add missing typehints and docs to diffusers/models/attention.py
* chore: convert doc strings to raw python strings
add missing typehints
* improvement: add missing typehints and docs to diffusers/models/adapter.py
* improvement: add missing typehints and docs to diffusers/models/lora.py
* docs: include suggestion by @sayakpaul in src/diffusers/models/adapter.py
Co-authored-by: Sayak Paul <spsayakpaul@gmail.com>
* docs: include suggestion by @sayakpaul in src/diffusers/models/adapter.py
Co-authored-by: Sayak Paul <spsayakpaul@gmail.com>
* docs: include suggestion by @sayakpaul in src/diffusers/models/adapter.py
Co-authored-by: Sayak Paul <spsayakpaul@gmail.com>
* docs: include suggestion by @sayakpaul in src/diffusers/models/adapter.py
Co-authored-by: Sayak Paul <spsayakpaul@gmail.com>
* Update src/diffusers/models/lora.py
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Co-authored-by: Sayak Paul <spsayakpaul@gmail.com>
Co-authored-by: Patrick von Platen <patrick.v.platen@gmail.com>
