Add CONTRIBUTORS

How?

* git log --format='%an <%ae>' | sort | uniq
* Manually grouping usernames
* Update Red Hat email for all

CONTRIBUTORS.rst

@@ -0,0 +1,17 @@
+Contributors
+^^^^^^^^^^^^
+
+The following people have contributed to the development of Camayoc:
+
+- Ashley Aiken <[email protected]>
+- Bruno Ciconelle <[email protected]>
+- Chris Hambridge <[email protected]>
+- Cody Myers <[email protected]>
+- Daniel Sami <[email protected]>
+- Elijah DeLee <[email protected]>
+- Elyézer Rezende <[email protected]>
+- Kevan Holdaway <[email protected]>
+- Mirek Długosz <[email protected]>
+- Nicole Aragao <[email protected]>
+- Rudá Moura <[email protected]>
+- Ryan Himmelwright <[email protected]>