Add type-stubs for rd_smspec_node

Author: eivindjahren

python/resdata/summary/rd_smspec_node.pyi

@@ -0,0 +1,29 @@
+import typing
+
+from .rd_sum_var_type import SummaryVarType
+
+__all__ = ["ResdataSMSPECNode"]
+
+class ResdataSMSPECNode:
+    def __eq__(self, arg0: object) -> bool: ...
+    def __gt__(self, arg0: object) -> bool: ...
+    def __hash__(self) -> int: ...
+    def __init__(self) -> None: ...
+    def __lt__(self, arg0: ResdataSMSPECNode) -> bool: ...
+    def get_key1(self) -> str: ...
+    def get_key2(self) -> str: ...
+    def get_num(self) -> int | None: ...
+    def is_historical(self) -> bool: ...
+    def is_rate(self) -> bool: ...
+    def is_total(self) -> bool: ...
+    def var_type(self) -> SummaryVarType: ...
+    @property
+    def default(self) -> float: ...
+    @property
+    def keyword(self) -> str: ...
+    @property
+    def num(self) -> typing.Any: ...
+    @property
+    def unit(self) -> str: ...
+    @property
+    def wgname(self) -> str: ...