Add comments to clarify variable declaration and assignment in count.js

Author: MohammedNaru

Sprint-1/1-key-exercises/1-count.js

@@ -4,3 +4,8 @@ count = count + 1;
 
 // Line 1 is a variable declaration, creating the count variable with an initial value of 0
 // Describe what line 3 is doing, in particular focus on what = is doing
+
+
+
+// Line 3 is updating the value of the count variable by adding 1 to its current value.
+//  The = operator is used for assignment, meaning it takes the result of the expression on the right (count + 1) and assigns that new value back to the count variable.