Add .mailmap file, to normalize my git commit email address

craigbarnes · craigbarnes · commit fb59c6f017c1 · 2024-01-23T23:48:58.000Z
See also: `git shortlog -sne` output (before vs. after this commit)
diff --git a/.mailmap b/.mailmap
@@ -0,0 +1 @@
+Craig Barnes <craigbarnes@protonmail.com> <cr@igbarn.es>

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1 @@`
	`1`	`+Craig Barnes <[email protected]> <[email protected]>`