Updated Readme

Author: ShubhamSKadam

README.md

@@ -11,3 +11,5 @@
 -   #### [Hoisting and Closures](/5_Hoisting_and_Closure/HoistingAndClosure.md)
 -   #### [Strings in Detail](/6_Strings_in_detail/strings.md)
 -   #### [Arrays in Detail](/7_Arrays_in_detail/Arrays.md)
+-   #### [Objects in Detail](/8_Objects_in_detail/objects.md)
+-   #### [Value vs Reference](/9_Value_vs_Reference/value_vs_reference.md)