doc: add docstring for get_wires

sootty/storage/wiregroup.py

@@ -37,7 +37,7 @@ def find(self, name: str):
         raise SoottyError(f"Wire '{name}' does not exist.")
 
     def get_names(self):
-        """Returns list of all wire names."""
+        """Returns a dictionary of all wire names of this wiregroup or a list if this wiregroup is the innermost one."""
         if self.groups:
             names = dict()
             if self.wires:
@@ -53,6 +53,7 @@ def get_names(self):
         return names
 
     def get_wires(self):
+        """Returns a dictionary of all wires of this wiregroup or a list if this wiregroup is the innermost one."""
         if self.groups:
             wires = dict()
             if self.wires: