enable ID setting for peaklist

Author: akialbz

dimspy/models/peaklist.py

@@ -140,11 +140,16 @@ def ID(self):
         Property of the peaklist ID.
 
         :getter: returns the peaklist ID
+        :setter: set the peaklist ID
         :type: same as input ID
 
         """
         return self._id
 
+    @ID.setter
+    def ID(self, value):
+        self._id = str(value)
+
     @property
     def size(self):
         """