Fix badge type (#2474)

Update BadgeLink badgeText for 100-var.md for youtube video

content/roadmaps/106-javascript/content/101-javascript-variables/100-variable-declarations/100-var.md

@@ -6,5 +6,5 @@ The var statement declares a function-scoped or globally-scoped variable, option
 <BadgeLink colorScheme='yellow' badgeText='Read' href='https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/var'>var keyword - MDN</BadgeLink>
 <BadgeLink colorScheme='yellow' badgeText='Read' href='https://javascript.info/variables'>JavaScript Variables</BadgeLink>
 <BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.w3schools.com/js/js_variables.asp'>JavaScript Variables - W3Schools</BadgeLink>
-<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.youtube.com/watch?v=6UAKBYpUC-Y'>Declaring Variables without Var, Let, Const - What Would Happen?</BadgeLink>
+<BadgeLink badgeText='Watch' href='https://www.youtube.com/watch?v=6UAKBYpUC-Y'>Declaring Variables without Var, Let, Const - What Would Happen?</BadgeLink>
 <BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.geeksforgeeks.org/how-to-declare-variables-in-different-ways-in-javascript/'>How to declare variables in different ways in JavaScript?</BadgeLink>