refactor: split parse into multiple files

Signed-off-by: Konstantin Fickel <mail@konstantinfickel.de>

src/streamer/parse/list.py

@@ -0,0 +1,13 @@
+from itertools import pairwise
+from typing import TypeVar
+
+A = TypeVar("A")
+
+
+def split_at(list_to_be_split: list[A], positions: list[int]):
+    positions = sorted(set([0, *positions, len(list_to_be_split)]))
+
+    return [list_to_be_split[left:right] for left, right in pairwise(positions)]
+
+
+__all__ = ["split_at"]