Refactored Comparators instructions and added documentation

docs/instructions/comparators/not_equals.md

@@ -0,0 +1,35 @@
+# neq
+
+Returns true if the first argument is not equal to the second argument.
+
+## Parameters
+
+* a (`integer`, `float`, `double`, `string`, `boolean`) - The first value to compare.
+* b (`integer`, `float`, `double`, `string`, `boolean`) - The second value to compare.
+
+## Return
+
+(`boolean`) - True if the first argument is not equal to the second argument.
+
+## Exceptions
+
+* `EvaluationException` - If there was an error while evaluating one or more parameters.
+* `TypeException` - If one or more parameters are not of the expected type.
+
+
+## Instruction Example
+
+```json
+{
+  "type": "neq",
+  "_": {
+    "a": "foo",
+    "b": "foo"
+  }
+}
+```
+
+### Last Updated
+
+Monday, December 30th, 2022.
+Written by [Netkas](https://git.n64.cc/netkas)