Adding broadcast wrapper. (#209)

* updating doc string

* update doc string again

Author: weinbe58

src/bloqade/squin/qubit.py

@@ -89,6 +89,22 @@ def apply(operator: Op, qubits: ilist.IList[Qubit, Any] | list[Qubit]) -> None:
     ...
 
 
+@wraps(Broadcast)
+def broadcast(operator: Op, qubits: ilist.IList[Qubit, Any] | list[Qubit]) -> None:
+    """Broadcast and apply an operator to a list of qubits. For example, an operator
+    that expects 2 qubits can be applied to a list of 2n qubits, where n is an integer > 0.
+
+    Args:
+        operator: The operator to broadcast and apply.
+        qubits: The list of qubits to broadcast and apply the operator to. The size of the list
+            must be inferable and match the number of qubits expected by the operator.
+
+    Returns:
+        None
+    """
+    ...
+
+
 @wraps(Measure)
 def measure(qubits: ilist.IList[Qubit, Any]) -> int:
     """Measure the qubits in the list."