personal/q3k/factorio: add pymods server

Change-Id: I080ae267ea3afc19ae7d65ca458f71206bb6ed4e
diff --git a/personal/q3k/factorio/kube/prod.jsonnet b/personal/q3k/factorio/kube/prod.jsonnet
index c652536..d30b652 100644
--- a/personal/q3k/factorio/kube/prod.jsonnet
+++ b/personal/q3k/factorio/kube/prod.jsonnet
@@ -24,4 +24,5 @@
 
     q3k: prod.instance("q3k", "0.18.17-1"),
     ds: prod.instance("ds", "0.18.17-1"),
+    pymods: prod.instance("pymods", "0.18.17-1"),
 }