Add parsed SuperAnimal TopViewMouse checkpoints

Adds SuperAnimal TopViewMouse FasterRCNN and HRNet w32 checkpoints. These new checkpoints can replace the existing detector.pt and pose_model.pth snapshots.

superanimal_topviewmouse_fasterrcnn_resnet50_fpn_v2.pt

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:1175e31a5486731734948da55e4b25adcee84da4e36eafc5768a771809d536e5
+size 173407978

superanimal_topviewmouse_hrnet_w32.pt

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:5e7ed2b4e568fa93e2b1404251f9b060f9bd3ff5d68712f57c8ddb766d0cf6ed
+size 118098822