add section glossary

Author: Evavic44

09-Data-Structure-Modern-Operators-and-Strings/code.js

@@ -455,7 +455,7 @@ console.log(rest);
 
 const dat = new Map();
 
-// Map Iterations
+// 🔸Map Iterations🔸
 const question = new Map([
   ["Question", "What is the best programming language in the world?"],
   [1, "C"],

09-Data-Structure-Modern-Operators-and-Strings/script.js

@@ -328,3 +328,18 @@ Welcome to JavaScript Fundamentals part two.
 - [The this keyword]()
 - [Regular functions vs Arrow Functions]()
 - [Primitive vs Objects]()
+
+## Data Structure, Modern Operators and Strings
+
+- [Destructuring Arrays]()
+- [Destructuring Objects]()
+- [Spread Operators]()
+- [Rest Patterns and Parameters]()
+- [Short Circuting (OR ||)]()
+- [Nullish Coalescing Operator]()
+- [Looping Arrays (For of Loop)]()
+- [Optional Chaining]()
+- [Looping Objects, Keys, Values and Entries]()
+- [Sets]()
+- [Maps]()
+- [Maps Iteration]()