add private module to create model object for movement api

opendbm/api_lib/movement/_eye_gaze.py

@@ -0,0 +1,24 @@
+import tempfile
+
+from opendbm.api_lib.model import VideoModel
+from opendbm.dbm_lib.dbm_features.raw_features.movement.eye_gaze import run_eye_gaze
+
+
+class EyeGaze(VideoModel):
+    def __init__(self):
+        super().__init__()
+        self._params = [
+            "mov_lefteyex",
+            "mov_lefteyey",
+            "mov_lefteyez",
+            "mov_righteyex",
+            "mov_righteyey",
+            "mov_righteyez",
+            "mov_leyedisp",
+            "mov_reyedisp",
+        ]
+
+    def _fit_transform(self, path):
+        return run_eye_gaze(
+            path, f"{tempfile.gettempdir()}/", self.r_config, save=False
+        )