Add AUTHORS (and .mailmap)

Signed-off-by: Rolf Neugebauer <rolf.neugebauer@docker.com>

Author: rn

.mailmap

@@ -0,0 +1,9 @@
+Ian Campbell <ian.campbell@docker.com> <ijc25@users.noreply.github.com>
+Ian Campbell <ian.campbell@docker.com> <ijc@docker.com>
+Ian Campbell <ian.campbell@docker.com> <ijc@users.noreply.github.com>
+Justin Cormack <justin.cormack@docker.com> <justin.cormack@unikernel.com>
+Justin Cormack <justin.cormack@docker.com> <justin@specialbusservice.com>
+Rolf Neugebauer <rolf.neugebauer@docker.com> <rneugeba@users.noreply.github.com>
+Rolf Neugebauer <rolf.neugebauer@docker.com> <rn@users.noreply.github.com>
+Rolf Neugebauer <rolf.neugebauer@docker.com> <rolf.neugebauer@gmail.com>
+Sebastiaan van Stijn <sebastiaan.vanstijn@docker.com> <github@gone.nl>

AUTHORS

@@ -0,0 +1,7 @@
+# This file lists all individuals having contributed content to the repository.
+# For how it is generated, see `scripts/generate-authors.sh`.
+
+Ian Campbell <ian.campbell@docker.com>
+Justin Cormack <justin.cormack@docker.com>
+Rolf Neugebauer <rolf.neugebauer@docker.com>
+Sebastiaan van Stijn <sebastiaan.vanstijn@docker.com>