Add AUTHORS file

This files list all past contributions to the project.

Signed-off-by: Sebastian Wicki <[email protected]>

AUTHORS

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+The following people have contributed to Strymon:
+
+Zaheer Chothia <[email protected]>
+Desislava Dimitrova <[email protected]>
+Moritz Hoffmann <[email protected]>
+Vasiliki Kalavri <[email protected]>
+Andrea Lattuada <[email protected]>
+John Liagouris <[email protected]>
+Frank McSherry <[email protected]>
+Timothy Roscoe <[email protected]>
+Ralf Sager <[email protected]>
+Lukas Striebel <[email protected]>
+Christian Stücklberger <[email protected]>
+Anna Szybalska <[email protected]>
+Sebastian Wicki <[email protected]>