Add fastapi code

venv/lib/python3.11/site-packages/dns/entropy.pyi

@@ -0,0 +1,10 @@
+from typing import Optional
+from random import SystemRandom
+
+system_random : Optional[SystemRandom]
+
+def random_16() -> int:
+   pass
+
+def between(first: int, last: int) -> int:
+    pass