Update README.md

Author: deepdk

README.md

@@ -1,54 +1,54 @@
 # 30DayChartChallenge
 
-## Part to Whole
+## [Part to Whole](https://github.com/deepdk/-30DayChartChallenge/tree/main/Part_To_Whole)
 
 ![image](https://user-images.githubusercontent.com/31981663/166132469-3709f1d0-3d05-4cd7-856d-7d6182eb57e1.png)
 
 ---
 
-## Pictogram
+## [Pictogram](https://github.com/deepdk/-30DayChartChallenge/tree/main/Pictogram)
 
 ![image](https://user-images.githubusercontent.com/31981663/166132489-47584892-b68d-4e0f-bb4f-4d724ba9ba06.png)
 
 ---
 
-## Historical
+## [Historical](https://github.com/deepdk/-30DayChartChallenge/tree/main/Historical)
 
 ![image](https://user-images.githubusercontent.com/31981663/166132504-712621ec-2f43-4438-9ad2-adf9b4d41438.png)
 
 ---
 
-## Mountains
+## [Mountains](https://github.com/deepdk/-30DayChartChallenge/tree/main/Mountains)
 
 ![image](https://user-images.githubusercontent.com/31981663/166132524-ab9907a0-51ed-495f-bfb4-0e0628a406f5.png)
 
 ---
 
-## Circular
+## [Circular](https://github.com/deepdk/-30DayChartChallenge/tree/main/Circular)
 
 ![image](https://user-images.githubusercontent.com/31981663/166132530-4a49b9bf-7077-4e5a-9535-7e76e9c1193e.png)
 
 ---
 
-## Correlation
+## [Correlation](https://github.com/deepdk/-30DayChartChallenge/tree/main/Correaltion)
 
 ![image](https://user-images.githubusercontent.com/31981663/166132543-feb0add4-61d3-480b-b832-1b6784756827.png)
 
 ---
 
-## Environmental
+## [Environmental](https://github.com/deepdk/-30DayChartChallenge/tree/main/Environmental)
 
 ![image](https://user-images.githubusercontent.com/31981663/166132560-70166d8a-1c08-439d-9737-ca10f0eac1a6.png)
 
 ---
 
-## Multivariate
+## [Multivariate](https://github.com/deepdk/-30DayChartChallenge/tree/main/Multivariate)
 
 ![image](https://user-images.githubusercontent.com/31981663/166132566-04cd4ba3-11b8-431d-916c-f9d1408c937f.png)
 
 ---
 
-## OECD
+## [OECD](https://github.com/deepdk/-30DayChartChallenge/tree/main/OECD)
 
 ![image](https://user-images.githubusercontent.com/31981663/166132790-5d80e293-891c-4c6a-8fbb-dc3960422ee4.png)
 
@@ -60,7 +60,7 @@
 
 ---
 
-## Tiles
+## [Tiles](https://github.com/deepdk/-30DayChartChallenge/tree/main/Tiles)
 
 ![image](https://user-images.githubusercontent.com/31981663/166132881-c3aa715a-b085-4b8e-a1ff-1055beba4634.png)