Add an intention to simplify negated binary expressions

Given an expression of the form `!(a op b)`, replace it with `a !op b`.

For example:

    !(a < b)    -> a >= b
    !(a is Int) -> a !is int

idea/resources/intentionDescriptions/SimplifyNegatedBinaryExpressionIntention/before.kt.template

@@ -0,0 +1,3 @@
+if (<spot>!(a == b)</spot>) {
+  println("Not Equal")
+}