Merge pull request #10 from Amulet-Team/compact-type-hint

Added compact method to the stub file

src/leveldb/_leveldb.pyi

@@ -17,6 +17,7 @@ class LevelDB:
     def iterate(self, start: bytes = None, end: bytes = None) -> Iterator[Tuple[bytes, bytes]]: ...
     def keys(self) -> Iterator[bytes]: ...
     def items(self) -> Iterator[Tuple[bytes, bytes]]: ...
+    def compact(self) -> None:...
     def __contains__(self, key: bytes): ...
     def __getitem__(self, key: bytes) -> bytes: ...
     def __setitem__(self, key: bytes, value: bytes): ...