add AUTHORS file

Add AUTHORS file to recognize contributions to the project.

Initially generated using:

  $ git log --format='%aN <%aE>' | sort -uf

Then manually removed duplicate/bots entries and added co-authors.

PR-URL: https://github.ibm.com/open-z/zoslib/pull/120

AUTHORS

@@ -0,0 +1,13 @@
+Alex Yung <[email protected]>
+Anirudh Prasad
+CW Cheung <[email protected]>
+Doug Burns <[email protected]>
+Erik Janssen <[email protected]>
+Gaby Baghdadi <[email protected]>
+HarithaIBM <[email protected]>
+Igor Todorovski <[email protected]>
+Kai Nacke <[email protected]>
+mfsysprog <[email protected]>
+Mike Fulton <[email protected]>
+Sean Perry <[email protected]>
+Shuowang (Wayne) Zhang <[email protected]>