Update README.md

Author: Siddhesh-Agarwal

README.md

@@ -4,8 +4,8 @@ __________________
 
 ## Content
 
-1. [Mean-Variance-Standard Deviation Calculator]()
-2. [Demographic Data Analyzer]()
-3. [Medical Data Visualizer]()
-4. [Page View Time Series Visualizer]()
-5. [Sea Level Predictor]()
+1. [Mean-Variance-Standard Deviation Calculator](./Mean-Variance-Standard-Deviation-Calculator)
+2. [Demographic Data Analyzer](./Demographic-Data-Analyzer)
+3. [Medical Data Visualizer](./Medical-Data-Visualizer)
+4. [Page View Time Series Visualizer](./Page-View-Time-Series-Visualizer)
+5. [Sea Level Predictor](./Sea-Level-Predictor)