Create README.md

Author: erikpeik

part2/README.md

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+# Part 2 - Communicating with server
+
+## Exercises
+
+- [courseinfo](https://github.com/erikpeik/full-stack-open/tree/master/part2/courseinfo)
+- [dataforcountries](https://github.com/erikpeik/full-stack-open/tree/master/part2/dataforcountries)
+- [phonebook](https://github.com/erikpeik/full-stack-open/tree/master/part2/phonebook)
+
+[⬅️ Previous part](https://github.com/erikpeik/full-stack-open/tree/master/part1) || [Back to home 🏠](https://github.com/erikpeik/full-stack-open) || [Next part ➡️](https://github.com/erikpeik/fullstackopen-part3)