New OKA package for jenkins

Signed-off-by: garciadeblas <gerardo.garciadeblas@telefonica.com>

oka/jenkins/manifests/bitnamicharts-repo.yaml

+---
+apiVersion: source.toolkit.fluxcd.io/v1beta2
+kind: HelmRepository
+metadata:
+  name: bitnamicharts
+  namespace: jenkins
+spec:
+  interval: 10m0s
+  type: oci
+  url: oci://registry-1.docker.io/bitnamicharts

oka/jenkins/manifests/jenkins-hr.yaml

+---
+apiVersion: helm.toolkit.fluxcd.io/v2beta1
+kind: HelmRelease
+metadata:
+  name: jenkins
+  namespace: jenkins
+spec:
+  chart:
+    spec:
+      chart: jenkins
+      reconcileStrategy: ChartVersion
+      sourceRef:
+        kind: HelmRepository
+        name: bitnamicharts
+        namespace: jenkins
+  install:
+    createNamespace: true
+  interval: 3m0s
+  targetNamespace: jenkins
+  values: {}

oka/jenkins/templates/jenkins-ks.yaml

+---
+apiVersion: kustomize.toolkit.fluxcd.io/v1
+kind: Kustomization
+metadata:
+  name: jenkins
+  namespace: jenkins
+spec:
+  interval: 1h0m0s
+  path: ./apps/jenkins/manifests
+  prune: true
+  sourceRef:
+    kind: GitRepository
+    name: sw-catalogs
+    namespace: flux-system

oka/jenkins/templates/jenkins-ns.yaml

+apiVersion: v1
+kind: Namespace
+metadata:
+  creationTimestamp: null
+  name: jenkins
+spec: {}
+status: {}