update collaborators

Author: max-mapper

collaborators.md

@@ -0,0 +1,8 @@
+## Collaborators
+
+voxel is only possible due to the excellent work of the following collaborators:
+
+<table><tbody><tr><th align="left">maxogden</th><td><a href="https://github.com/maxogden">GitHub/maxogden</a></td></tr>
+<tr><th align="left">kumavis</th><td><a href="https://github.com/kumavis">GitHub/kumavis</a></td></tr>
+<tr><th align="left">deathcap</th><td><a href="https://github.com/deathcap">GitHub/deathcap</a></td></tr>
+</tbody></table>