all: intial code import

ContactBook.package/Contact.class/README.md

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+I represent a contact.
+
+I know about my name and email.
+
+Collaborators:
+- Veit Heller <veit@veitheller.de
+
+Public API and Key Messages
+
+- there are accessors for both fullname and email.
+- you can create new instances using the newNamed:email: message.
+
+Internal Representation and Key Implementation Points.
+
+    Instance Variables
+	email: a String
+	fullname: a String