Build: Add .mailmap with my new name

mgol · mgol · commit da37d82db2e4 · 2017-10-12T10:35:54.000+02:00
diff --git a/.mailmap b/.mailmap
@@ -0,0 +1 @@
+Michał Gołębiowski-Owczarek <m.goleb@gmail.com>

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	`1`	`+Michał Gołębiowski-Owczarek <m.goleb@gmail.com>`