Missing import for PinillaRamosEtAl2023 and PinillaRamosEtAl2024 models in __init__.py

[m22x71]

Issue:
The PinillaRamosEtAl2023 and PinillaRamosEtAl2024 classes are not accessible as pygmm attributes despite the module files being present in the package.

Root Cause:
The classes are not imported in pygmm/__init__.py, so they don't appear when using dir(pygmm) or pygmm.<ModelName>.

Files affected:

• pinilla_ramos_et_al_2023.py ✅ exists, class defined
• pinilla_ramos_et_al_2024.py ✅ exists, class defined
• __init__.py ❌ missing imports

Fix needed:
Add these lines to pygmm/__init__.py:

# In imports section:
from .pinilla_ramos_et_al_2023 import PinillaRamosEtAl2023
from .pinilla_ramos_et_al_2024 import PinillaRamosEtAl2024

# In __all__ list:
"PinillaRamosEtAl2023",
"PinillaRamosEtAl2024",

# In models list:
PinillaRamosEtAl2023,
PinillaRamosEtAl2024,

Current workaround:

from pygmm.pinilla_ramos_et_al_2023 import PinillaRamosEtAl2023