Upload 3 files

From https://www.youtube.com/watch?v=oE2uls6iIEU (3:00 -> 3:34)

.gitattributes

@@ -56,3 +56,5 @@ react-translator-demo.mp4 filter=lfs diff=lfs merge=lfs -text
 whisper-timestamps-demo.mp4 filter=lfs diff=lfs merge=lfs -text
 courtroom.mp4 filter=lfs diff=lfs merge=lfs -text
 interview.mp4 filter=lfs diff=lfs merge=lfs -text
+hopper.mp4 filter=lfs diff=lfs merge=lfs -text
+hopper.webm filter=lfs diff=lfs merge=lfs -text

hopper.mp4

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:52dbf22f6ac118487fdb592313d65aeb2bcce32a9ef1e4c4bd5f68749f1a5814
+size 6178292

hopper.wav

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:2007623bc9fc5e99d7594e07d37c6e1394049c1a41e09a481e4a6c7497ff3015
+size 2176078

hopper.webm

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:614d696853ad235fd1e11182c31f9b52abaa95d4ec373264566f4e3433b5d792
+size 3710137