Move vars to defaults

kubernetes/defaults/main.yml

@@ -0,0 +1,16 @@
+---
+kubernetes:
+  ipPool:
+    ipv4:
+      cluster_cidr: 10.42.0.0/16
+      service_cidr: 10.43.0.0/16
+      nodeip_cidr: 10.41.0.0/24
+    ipv6:
+      cluster_cidr: fd42::/56
+      service_cidr: fd43::/112
+      nodeip_cidr: fd41::/64
+
+  control_plane:
+    dns_name: <control-plane dns-reachable-name>
+
+  shared_token: <shared token for nodes to join>