Updated README.md file

Author: mikasjp

README.md

@@ -7,8 +7,10 @@ Just for practice and fun. Thank You [Eric](http://was.tl/)!
 | Day   | Name                         | Python                     | Ruby                       |
 | :---: | :--------------------------- | :------------------------: | :------------------------: |
 | 01    | [Chronal Calibration][day01] | [:heavy_check_mark:][py01] | [:heavy_check_mark:][rb01] |
+| 02    | [Chronal Calibration][day01] | [:heavy_check_mark:][py02] |                            |
 
 [py01]: ./01/solution.py
+[py02]: ./02/solution.py
 
 [rb01]: ./01/solution.rb