Initial snapshot: hand motion pipeline (Dyn-HaMR + dex-retargeting + SPIDER)

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

third_party/vipe/configs/default.yaml

@@ -0,0 +1,16 @@
+defaults:
+  - _self_
+  - streams: raw_mp4_stream
+  - pipeline: ???
+  - override hydra/hydra_logging: none
+  - override hydra/job_logging: disabled
+
+ray: false
+prefilter: false
+
+hydra:
+  output_subdir: null
+  job:
+    chdir: false
+  run:
+    dir: .