added new snippets

Author: krishna9802

README.md

@@ -8,14 +8,15 @@ One liner clean code snippets in javascript/react with ES6 syntax
 
 ### Table of Contents
 
-| No. | Code                                                                            |                                                                           |
-| --- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------- |
-
-| 1   | [Conditional statement]
-(#conditional-statement)             
-          |
-| 2   | [Add a key-value pair in object conditionally](#add-a-key-value-pair-in-object-conditionally)                                         |
-| 3   | [Deleting a particular key from object](#deleting-a-particular-key-from-object)                                                |
+| No. | Questions                                                                                                                                                                                                                        |
+| --- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
+|     | **Core React**                                                                                                                                                                                                                   |
+| 1   | [Conditional statement](#conditional-statement)             |
+
+| 2   | [Add a key-value pair in object conditionally](#add-a-key-value-pair-in-object-conditionally)                     |
+
+| 3   | [Deleting a particular key from object](#deleting-a-particular-key-from-object)             |
+
 | 4   | [filling-array-with-dummy-values](#deleting-a-particular-key-from-object)                                                |