docs: add bitwise not (~) to the list of int operators

doc/docs.md

@@ -2863,10 +2863,16 @@ This lists operators for [primitive types](#primitive-types) only.
 /    quotient               integers, floats
 %    remainder              integers
 
+~    bitwise NOT            integers
 &    bitwise AND            integers
 |    bitwise OR             integers
 ^    bitwise XOR            integers
 
+!    logical NOT            bools
+&&   logical AND            bools
+||   logical OR             bools
+!=   logical XOR            bools
+
 <<   left shift             integer << unsigned integer
 >>   right shift            integer >> unsigned integer