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

PROJECT

@@ -0,0 +1,32 @@
+# Code generated by tool. DO NOT EDIT.
+# This file is used to track the info used to scaffold your project
+# and allow the plugins properly work.
+# More info: https://book.kubebuilder.io/reference/project-config.html
+domain: netbird.io
+layout:
+- helm.kubebuilder.io/v1-alpha
+- go.kubebuilder.io/v4
+plugins:
+  helm.kubebuilder.io/v1-alpha: {}
+projectName: kubernetes-operator
+repo: github.com/netbirdio/kubernetes-operator
+resources:
+- api:
+    crdVersion: v1
+    namespaced: true
+  controller: true
+  domain: netbird.io
+  kind: NBSetupKey
+  path: github.com/netbirdio/kubernetes-operator/api/v1
+  version: v1
+  webhooks:
+    validation: true
+    webhookVersion: v1
+- external: true
+  kind: Pod
+  path: k8s.io/api/core/v1
+  version: v1
+  webhooks:
+    defaulting: true
+    webhookVersion: v1
+version: "3"