added getAugmentationStats to netscript, it returns the stat boost of an aug

doc/source/netscript/singularityfunctions/getAugmentationStats.rst

@@ -0,0 +1,16 @@
+getAugmentationStats() Netscript Function
+=========================================
+
+.. js:function:: getAugmentationStats(name)
+
+    :RAM cost: 5 GB
+
+    :param string name: Name of Augmentation. CASE-SENSITIVE
+
+    If you are not in BitNode-4, then you must have Level 3 of Source-File 4 in order to use this function.
+
+    ns.getAugmentationStats("Synfibril Muscle")
+    {
+       strength_mult: 1.3,
+       defense_mult: 1.3,
+    }