Updated README description

Author: neerajsamtani

README.md

@@ -1 +1,16 @@
-"# ray_tracer" 
+# Ray Tracer
+
+Building a fully functional ray tracer from scratch based on the "Ray Tracing" series by Peter Shirley.
+
+### In Progress
+
+- Simple brute-force path tracer. 
+
+### TODO
+
+- Textures
+- Volumes (like fog)
+- Rectangles
+- Instances
+- Lights
+- Bounding Volume Hierarchy (BVH).