Add English translations for part 1 intro

Author: marvinyan

en/part_i_basics/README.md

@@ -1 +1,12 @@
 # Part I - Basics
+
+The first part summarizes some of the main aspects of data structures and
+algorithms, such as implementation and usage.
+
+This chapter consists of the following sections.
+
+## Reference
+
+- [VisuAlgo](http://visualgo.net/) - Animated visualizations of data structures and algorithms
+- [Data Structure Visualizations](http://www.cs.usfca.edu/~galles/visualization/Algorithms.html) - An alternative to VisuAlgo
+- [Sorting Algorithms](https://www.toptal.com/developers/sorting-algorithms/) - Animations comparing various sorting algorithms