Add effect for entosis link and update effect comments

eos/effects/drawbacksigrad.py

@@ -2,6 +2,7 @@
 #
 # Used by:
 # Modules from group: Rig Shield (72 of 72)
+# Modules named like: Optimizer (16 of 16)
 type = "passive"
 def handler(fit, module, context):
     fit.ship.boostItemAttr("signatureRadius", module.getModifiedItemAttr("drawback"), stackingPenalties = True)