docs: Add the protocol

protocol.md

@@ -0,0 +1,20 @@
+# 05.09.2018
+Sick
+
+# 06.09.2018
+- Implementing the view introducing vocabulary to the user
+
+# 14.09.2018
+- Implementing the Levenshtein Distance for future checking of answers
+
+# 15.09.2018
+- Implementing the review functionality of the application
+- Created a intro page to tell the students about our project
+
+# 16.09.2018
+- Implement the SuperMemo2 algorithm
+- Started implementing the server
+
+# 18.09.2018
+- Move the whole application from "vanilla React" to React with Redux to avoid issues with components
+  being re-mounted, when the AppBar gets updated