Add JavaScript data types resource (#2915)

content/roadmaps/106-javascript/content/102-javascript-datatypes/readme.md

@@ -3,6 +3,7 @@
 Data type refers to the type of data that a JavaScript variable can hold. There are eight basic data types in JavaScript.
 
 <ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.codeguage.com/courses/js/data-types'>JavaScript Data Types - CodeGuage</BadgeLink>
 <BadgeLink colorScheme='yellow' badgeText='Read' href='https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures'>JavaScript data types and data structures</BadgeLink>
 <BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.w3schools.com/js/js_datatypes.asp'>JavaScript Data Types</BadgeLink>
 <BadgeLink colorScheme='yellow' badgeText='Read' href='https://javascript.info/types'>JavaScript Data Types</BadgeLink>