Add docs for Interpolation modes (#3739)

* Add docs for Interpolation modes

* Update torchvision/transforms/functional.py
Co-authored-by: Nicolas Hug <contact@nicolas-hug.com>
Co-authored-by: Nicolas Hug <contact@nicolas-hug.com>
Co-authored-by: Vasilis Vryniotis <datumbox@users.noreply.github.com>

torchvision/transforms/functional.py

@@ -21,6 +21,7 @@ from . import functional_tensor as F_t
 
 class InterpolationMode(Enum):
     """Interpolation modes
+    Available interpolation methods are ``nearest``, ``bilinear``, ``bicubic``, ``box``, ``hamming``, and ``lanczos``.
     """
     NEAREST = "nearest"
     BILINEAR = "bilinear"