feat(k8s): adding kubernetes support

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

ref #10

misc/k8s/kustomization/overlays/dev/kustomization.yaml

@@ -0,0 +1,18 @@
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+namespace: bouncer-dev
+
+resources:
+- ../../base
+
+secretGenerator:
+- files:
+  - secrets/dockerconfig/.dockerconfigjson
+  name: regcred-dev
+  type: kubernetes.io/dockerconfigjson
+
+patches:
+- path: patches/add-registry-pull-secret.patch.yaml
+  target:
+    kind: Deployment
+    version: v1

misc/k8s/kustomization/overlays/dev/patches/add-registry-pull-secret.patch.yaml

@@ -0,0 +1,4 @@
+- op: add
+  path: "/spec/template/spec/imagePullSecrets"
+  value:
+  - name: regcred-dev