first add files

lib/Crypto/Random/__init__.pyi

@@ -0,0 +1,19 @@
+from typing import Any
+
+__all__ = ['new', 'get_random_bytes']
+
+from os import urandom
+
+class _UrandomRNG(object):
+
+    def read(self, n: int) -> bytes:...
+    def flush(self) -> None: ...
+    def reinit(self) -> None: ...
+    def close(self) -> None: ...
+
+def new(*args: Any, **kwargs: Any) -> _UrandomRNG: ...
+
+def atfork() -> None: ...
+
+get_random_bytes = urandom
+