Remove zips into subdirectory and test readme link to report.

README.md

@@ -20,9 +20,15 @@ exercises. This makes sure that you do not override any of the existing files. I
 might add a makefile to automize this later.
 
 ```
-unzip -n 20Spring_martingale.zip
+unzip -n zips/20Spring_martingale.zip -d ./
 ```
 
 [Here](https://pythonprogramming.net/candlestick-ohlc-graph-matplotlib-tutorial/)
 is a tutorial for how to plot candlestick data. Will come in handy later.
 
+# Reports
+
+Let's test if I can reference the reports from here:
+
+[Report 1](./martingale/martingale.md)
+