Fix author name format to match OpenNeuro datasets

Use surname-first convention (Guo Jiahui, Ma Feilong) consistently
across pyproject.toml and OpenNeuro dataset_description.json files.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: mvdoc

pyproject.toml

@@ -8,8 +8,8 @@ version = "0.1.0"
 description = "Analysis code for the Hyperface fMRI dataset"
 authors = [
     {name = "Matteo Visconti di Oleggio Castello", email = "mvdoc@berkeley.edu"},
-    {name = "Jiahui Guo", email = "jiahui.guo@utdallas.edu"},
-    {name = "Feilong Ma", email = "feilong.ma@dartmouth.edu"}
+    {name = "Guo Jiahui", email = "jiahui.guo@utdallas.edu"},
+    {name = "Ma Feilong", email = "feilong.ma@dartmouth.edu"}
 ]
 readme = "README.md"
 license = {file = "LICENSE"}