Example: Add ResNet18/VGG11 to feed_forward.py

- add to the supported models in `share/example/feed_forward.py`:
  - `resnet18`
  - `vgg11`
  - `vgg11_bn`

share/example/feed_forward.py

@@ -8,7 +8,7 @@
 from torch.utils.data import DataLoader, Subset
 from torchvision.transforms import Compose, Resize, CenterCrop, ToTensor
 from torchvision.datasets import ImageFolder
-from torchvision.models import vgg16, vgg16_bn, resnet50
+from torchvision.models import vgg11, vgg11_bn, vgg16, vgg16_bn, resnet18, resnet50
 
 from zennit.attribution import Gradient, SmoothGrad, IntegratedGradients, Occlusion
 from zennit.composites import COMPOSITES
@@ -19,6 +19,9 @@
 MODELS = {
     'vgg16': (vgg16, VGGCanonizer),
     'vgg16_bn': (vgg16_bn, VGGCanonizer),
+    'vgg11': (vgg11, VGGCanonizer),
+    'vgg11_bn': (vgg11_bn, VGGCanonizer),
+    'resnet18': (resnet18, ResNetCanonizer),
     'resnet50': (resnet50, ResNetCanonizer),
 }