Start work on types

Bring in typings folder for adafruit_ble and micropython

typings/adafruit_ble/characteristics/stream.pyi

@@ -0,0 +1,49 @@
+"""
+This type stub file was generated by pyright.
+"""
+
+from . import ComplexCharacteristic
+
+"""
+`stream`
+====================================================
+
+This module provides stream characteristics that bind readable or writable objects to the Service
+object they are on.
+
+"""
+__version__ = ...
+__repo__ = ...
+class BoundWriteStream:
+    """Writes data out to the peer."""
+    def __init__(self, bound_characteristic) -> None:
+        ...
+    
+    def write(self, buf): # -> None:
+        """Write data from buf out to the peer."""
+        ...
+    
+
+
+class StreamOut(ComplexCharacteristic):
+    """Output stream from the Service server."""
+    def __init__(self, *, uuid=..., timeout=..., buffer_size=..., properties=..., read_perm=..., write_perm=...) -> None:
+        ...
+    
+    def bind(self, service): # -> CharacteristicBuffer | BoundWriteStream:
+        """Binds the characteristic to the given Service."""
+        ...
+    
+
+
+class StreamIn(ComplexCharacteristic):
+    """Input stream into the Service server."""
+    def __init__(self, *, uuid=..., timeout=..., buffer_size=..., properties=..., write_perm=...) -> None:
+        ...
+    
+    def bind(self, service): # -> BoundWriteStream | CharacteristicBuffer:
+        """Binds the characteristic to the given Service."""
+        ...
+    
+
+