feat(k8s): adding kubernetes support

Now we can use skaffold and deploy bouncer in a kubernetes cluster

ref #10

misc/k8s/kustomization/base/resources/bouncer-admin/kustomization.yaml

@@ -0,0 +1,17 @@
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+
+resources:
+- ./resources/service.yaml
+- ./resources/deployment.yaml
+
+configMapGenerator:
+- name: bouncer-admin-config
+  files:
+  - ./files/config.yml
+  - ./files/admin-key.json
+- name: bouncer-admin-env
+  literals:
+  - REDIS_SENTINEL_HOST="rfs-$(REDIS_SERVICE_NAME)"
+  - REDIS_SENTINEL_PORT="26379"
+  - REDIS_MASTER_NAME="mymaster"