Update 110-relational-operators.md (#1744)

* Update 110-relational-operators.md

* Update content/roadmaps/106-javascript/content/108-javascript-expressions-and-operators/110-relational-operators.md

Co-authored-by: Kamran Ahmed <kamranahmed.se@gmail.com>

content/roadmaps/106-javascript/content/108-javascript-expressions-and-operators/110-relational-operators.md

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-# Relational operators
+# Relational Operators
+
+Relational operators are also known as comparison operators. They are used to find the relationship between two values or compare the relationship between them; on the comparison, they yield the result true or false.
+
+<BadgeLink colorScheme="yellow" badgeText="Read" href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators#relational_operators">Relational Operators - MDN</BadgeLink>