Merge pull request #34 from alcere/patch-1

Added Data Structure section

Author: mr-mig

README.md

@@ -30,6 +30,9 @@ But knowing the stuff will help you become better! :muscle:*
 - :book: [Grokking Algorithms](https://www.goodreads.com/book/show/22847284-grokking-algorithms-an-illustrated-guide-for-programmers-and-other-curio)
 - [Sorting Algorithms](https://visualgo.net/en/sorting)
 
+### Data Structures
+- :movie_camera: [UC Berkeley, Data Structures Course](https://archive.org/details/ucberkeley-webcast-PL-XXv-cvA_iAlnI-BQr9hjqADPBtujFJd)
+
 ### Numbers
 - :page_facing_up: [Floating Point Guide](http://floating-point-gui.de/)
 - :page_facing_up: [What Every Computer Scientist Should Know About Floating-Point Arithmetic](https://docs.oracle.com/cd/E19957-01/806-3568/ncg_goldberg.html#680)