fix(guide): simplify directory structure

guide/english/javascript/tutorials/store-multiple-values-in-one-variable-using-javascript-arrays/index.md

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+---
+title: Store Multiple Values in One Variable Using JavaScript Arrays
+---
+With JavaScript array variables, we can store several pieces of data in one place.
+
+You start an array declaration with an opening bracket, end it with a closing bracket, and put a comma between each entry, like this:
+
+    var sandwich = ["peanut butter", "jelly", "bread"]
+
+`myArray = [2,'j'];`