Update mailmap for me

fee1-dead · web-flow · commit b24feb9d3b69 · 2021-07-01T10:05:37.000+08:00
diff --git a/.mailmap b/.mailmap
@@ -72,6 +72,7 @@ Daniel Ramos <dan@daramos.com>
 David Klein <david.klein@baesystemsdetica.com>
 David Manescu <david.manescu@gmail.com> <dman2626@uni.sydney.edu.au>
 David Ross <daboross@daboross.net>
+Deadbeef <ent3rm4n@gmail.com> <fee1-dead-beef@protonmail.com>
 Derek Chiang <derekchiang93@gmail.com> Derek Chiang (Enchi Jiang) <derekchiang93@gmail.com>
 Diggory Hardy <diggory.hardy@gmail.com> Diggory Hardy <github@dhardy.name>
 Donough Liu <ldm2993593805@163.com> <donoughliu@gmail.com>

-Original file line number
+Diff line change
 David Klein <[email protected]>
 David Manescu <[email protected]> <[email protected]>
 David Ross <[email protected]>
 +Deadbeef <[email protected]> <[email protected]>
 Derek Chiang <[email protected]> Derek Chiang (Enchi Jiang) <[email protected]>
 Diggory Hardy <[email protected]> Diggory Hardy <[email protected]>
 Donough Liu <[email protected]> <[email protected]>