Add initial version with help and admission controller (#1)

- It adds a helm chart that will be hosted in the Github pages URL of this repository
- an admission controller operator 
- Basic documentation for installing the operator, configuring CRDs and example pod configuration

helm/netbird-operator/templates/rbac.yaml

@@ -0,0 +1,116 @@
+apiVersion: rbac.authorization.k8s.io/v1
+kind: ClusterRole
+metadata:
+  name: {{ include "netbird-operator.fullname" . }}
+  labels:
+    {{- include "netbird-operator.labels" . | nindent 4 }}
+rules:
+- apiGroups:
+  - netbird.io
+  resources:
+  - nbsetupkeys
+  verbs:
+  - get
+  - list
+  - watch
+- apiGroups:
+  - netbird.io
+  resources:
+  - nbsetupkeys/finalizers
+  verbs:
+  - update
+- apiGroups:
+  - netbird.io
+  resources:
+  - nbsetupkeys/status
+  verbs:
+  - get
+  - patch
+  - update
+- apiGroups:
+  - ""
+  resources:
+  - pods
+  verbs:
+  - get
+  - list
+  - watch
+{{- if .Values.clusterSecretsPermissions.allowAllSecrets }}
+- apiGroups:
+  - ""
+  resources:
+  - secrets
+  verbs:
+  - get
+  - list
+  - watch
+{{- end }}
+---
+apiVersion: rbac.authorization.k8s.io/v1
+kind: ClusterRoleBinding
+metadata:
+  name: {{ include "netbird-operator.fullname" . }}
+  labels:
+    {{- include "netbird-operator.labels" . | nindent 4 }}
+roleRef:
+  apiGroup: rbac.authorization.k8s.io
+  kind: ClusterRole
+  name: {{ include "netbird-operator.fullname" . }}
+subjects:
+- kind: ServiceAccount
+  name: {{ include "netbird-operator.serviceAccountName" . }}
+  namespace: {{ .Release.Namespace }}
+---
+apiVersion: rbac.authorization.k8s.io/v1
+kind: Role
+metadata:
+  name: {{ include "netbird-operator.fullname" . }}
+  labels:
+    {{- include "netbird-operator.labels" . | nindent 4 }}
+rules:
+- apiGroups:
+  - ""
+  resources:
+  - configmaps
+  verbs:
+  - get
+  - list
+  - watch
+  - create
+  - update
+  - patch
+  - delete
+- apiGroups:
+  - coordination.k8s.io
+  resources:
+  - leases
+  verbs:
+  - get
+  - list
+  - watch
+  - create
+  - update
+  - patch
+  - delete
+- apiGroups:
+  - ""
+  resources:
+  - events
+  verbs:
+  - create
+  - patch
+---
+apiVersion: rbac.authorization.k8s.io/v1
+kind: RoleBinding
+metadata:
+  name: {{ include "netbird-operator.fullname" . }}
+  labels:
+    {{- include "netbird-operator.labels" . | nindent 4 }}
+roleRef:
+  apiGroup: rbac.authorization.k8s.io
+  kind: Role
+  name: {{ include "netbird-operator.fullname" . }}
+subjects:
+- kind: ServiceAccount
+  name: {{ include "netbird-operator.serviceAccountName" . }}
+  namespace: {{ .Release.Namespace }}