Add video models to torchhub (#7083)

hubconf.py

@@ -71,4 +71,15 @@ from torchvision.models.shufflenetv2 import (
 from torchvision.models.squeezenet import squeezenet1_0, squeezenet1_1
 from torchvision.models.swin_transformer import swin_b, swin_s, swin_t, swin_v2_b, swin_v2_s, swin_v2_t
 from torchvision.models.vgg import vgg11, vgg11_bn, vgg13, vgg13_bn, vgg16, vgg16_bn, vgg19, vgg19_bn
+from torchvision.models.video import (
+    mc3_18,
+    mvit_v1_b,
+    mvit_v2_s,
+    r2plus1d_18,
+    r3d_18,
+    s3d,
+    swin3d_b,
+    swin3d_s,
+    swin3d_t,
+)
 from torchvision.models.vision_transformer import vit_b_16, vit_b_32, vit_h_14, vit_l_16, vit_l_32