Refactor uninstallation process (#74)

Docs PR: https://github.com/netbirdio/docs/pull/457

Changes:
* Split kubernetes-operator Chart to operator only chart
(kubernetes-operator) and configuration chart (netbird-operator-config)
* Remove delete validation webhooks for non-needed resources
* Allow abandoning Groups when still linked to a resource for over a
minute after deletion
* Fix duplciate Network Resource retrying heavily
* Fix SetupKey creation duplication
* Skip deleting routing peer since deleting network automatically
deletes it anyway

.github/workflows/kubectl-docker.yml

@@ -0,0 +1,63 @@
+name: Docker
+
+on:
+  push:
+    paths:
+      - 'Dockerfile.kubectl'
+    tags:
+      - "v*"
+    branches:
+      - main
+  pull_request:
+
+jobs:
+  kubectl-docker:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+      # This is used to complete the identity challenge
+      # with sigstore/fulcio when running outside of PRs.
+      id-token: write
+
+    steps:
+      - name: Docker meta
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          # list of Docker images to use as base name for tags
+          images: |
+            netbirdio/kubectl
+          # generate Docker tags based on the following events/attributes
+          tags: |
+            type=ref,event=pr
+            type=ref,event=branch
+            type=semver,pattern={{version}}
+
+      - name: Login to Docker Hub
+        if: github.repository == github.event.pull_request.head.repo.full_name || !github.head_ref
+        uses: docker/login-action@v3
+        with:
+          username: ${{ secrets.DOCKER_USER }}
+          password: ${{ secrets.DOCKER_TOKEN }}
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Build and push
+        uses: docker/build-push-action@v6
+        with:
+          platforms: linux/amd64,linux/arm64
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          file: "Dockerfile.kubectl"
+          labels: |
+            "org.opencontainers.image.created={{.Date}}"
+            "org.opencontainers.image.title={{.ProjectName}}"
+            "org.opencontainers.image.version={{.Version}}"
+            "org.opencontainers.image.revision={{.FullCommit}}"
+            "org.opencontainers.image.version={{.Version}}"
+            "maintainer=dev@netbird.io"