Upload OpenPI checkpoint step 5000 (metadata)

openpi_upload_metadata.json

@@ -0,0 +1,8 @@
+{
+  "checkpoint_dir": "/home/dell-work/.cache/openpi/openpi-checkpoints/soarm_pi05_flow/so_arm/5000",
+  "config_name": "soarm_pi05_flow",
+  "exp_name": "so_arm",
+  "step": 5000,
+  "layout": "orbax",
+  "files_uploaded_from": "5000"
+}