Merge pull request #102 from oslabs-beta/readme-update

updated readme

Author: hi2dmitri

README.md

@@ -45,4 +45,15 @@ And you're good to go!
 <img width="1100" alt="Stacked Bar Chart" src="https://user-images.githubusercontent.com/83976244/152201874-6b5e51a7-92a0-473d-abc7-9f06b45bc525.png">
 
 
+# Documentation
+
+For detailed information, please follow the links below: 
+
+* [d3reactor](https://www.d3reactor.com/)
+* [Area Chart](https://www.docs.d3reactor.com/docs/Charts/area-chart)
+* [Bar Chart](https://www.docs.d3reactor.com/docs/Charts/bar-chart)
+* [Line Chart](https://www.docs.d3reactor.com/docs/Charts/line-chart)
+* [Pie Chart](https://www.docs.d3reactor.com/docs/Charts/pie-chart)
+* [Scatter Plot](https://www.docs.d3reactor.com/docs/Charts/scatter-plot)
+