added separate magnet file

magnet.py

@@ -0,0 +1,14 @@
+from slic.core.adjustable import PVAdjustable
+
+
+class Magnet(PVAdjustable):
+
+    def __init__(self, ID, accuracy=0.01):
+        pvn_set  = ID + ":I-SET"
+        pvn_read = ID + ":I-READ"
+        super().__init__(pvn_set, pvn_read, accuracy=accuracy)
+#        pvn_comp = ID + ":I_COMP"
+#        super().__init__(pvn_set, pvn_read, pvname_moving=pvn_comp) # COMP updates only once per second, so we cannot use it as moving status
+
+
+