Add .mailmap to merge authors with inconsistent names/emails

.mailmap

@@ -0,0 +1,27 @@
+Andreas Haas <[email protected]>
+Andrew Conrad <[email protected]>
+Andrii Doroshenko <[email protected]>
+puchik <[email protected]> <[email protected]>
+Chris Bradfield <[email protected]> <[email protected]>
+clayjohn <[email protected]>
+clayjohn <[email protected]> <[email protected]>
+corrigentia <[email protected]> <[email protected]>
+Frido <[email protected]>
+Hugo Locurcio <[email protected]> <[email protected]>
+Hugo Locurcio <[email protected]> <[email protected]>
+Ignacio Etcheverry <[email protected]> <[email protected]>
+Julian Murgia <[email protected]>
+Kelly Thomas <[email protected]>
+Leon Krause <[email protected]>
+Leon Krause <[email protected]> <[email protected]>
+Max Hilbrunner <[email protected]>
+Max Hilbrunner <[email protected]> <[email protected]>pn
+Michael Alexsander <[email protected]>
+Nathan Lovato <[email protected]>
+Paul Joannon <[email protected]> <[email protected]>
+Rémi Verschelde <[email protected]> <[email protected]>
+skyace65 <[email protected]>
+Will Nations <[email protected]>
+Yuri Roubinsky <[email protected]>
+Yuri Sizov <[email protected]> <[email protected]>
+ZX-WT <[email protected]> <[email protected]>