add OTB (EMG) reader

mne/io/__init__.pyi

@@ -43,6 +43,7 @@ __all__ = [
     "read_raw_nihon",
     "read_raw_nirx",
     "read_raw_nsx",
+    "read_raw_otb",
     "read_raw_persyst",
     "read_raw_snirf",
     "show_fiff",
@@ -87,5 +88,6 @@ from .nicolet import read_raw_nicolet
 from .nihon import read_raw_nihon
 from .nirx import read_raw_nirx
 from .nsx import read_raw_nsx
+from .otb import read_raw_otb
 from .persyst import read_raw_persyst
 from .snirf import read_raw_snirf

mne/io/otb/__init__.py

@@ -0,0 +1,7 @@
+"""OTB module for reading EMG data in OTB4 and OTB+ formats."""
+
+# Authors: The MNE-Python contributors.
+# License: BSD-3-Clause
+# Copyright the MNE-Python contributors.
+
+from .otb import read_raw_otb