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

.github/workflows/docker.yml

@@ -0,0 +1,69 @@
+name: Docker
+
+on:
+  push:
+    tags:
+      - "v*"
+    branches:
+      - main
+  pull_request:
+
+env:
+  GORELEASER_VER: "v2.3.2"
+
+jobs:
+  release:
+    env:
+      flags: ""
+    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: Parse semver string
+        id: semver_parser
+        uses: booxmedialtd/ws-action-parse-semver@v1
+        with:
+          input_string: ${{ (startsWith(github.ref, 'refs/tags/v') && github.ref) || 'refs/tags/v0.0.0' }}
+          version_extractor_regex: '\/v(.*)$'
+
+      - if: ${{ !startsWith(github.ref, 'refs/tags/v') }}
+        run: echo "flags=--snapshot" >> $GITHUB_ENV
+
+      - name: Checkout repository
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0 # It is required for GoReleaser to work properly
+
+      # Set up BuildKit Docker container builder to be able to build
+      # multi-platform images and export cache
+      # https://github.com/docker/setup-buildx-action
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@f95db51fddba0c2d1ec667646a06c2ce06100226 # v3.0.0
+
+      # Login against a Docker registry except on PR
+      # https://github.com/docker/login-action
+      - name: Login to Docker hub
+        if: github.repository == github.event.pull_request.head.repo.full_name || !github.head_ref
+        uses: docker/login-action@v1
+        with:
+          username: ${{ secrets.DOCKER_USER }}
+          password: ${{ secrets.DOCKER_TOKEN }}
+
+      - name: Install OS build dependencies
+        run: sudo apt update && sudo apt install -y -q gcc-arm-linux-gnueabihf gcc-aarch64-linux-gnu
+
+      - name: Install goversioninfo
+        run: go install github.com/josephspurrier/goversioninfo/cmd/goversioninfo@233067e
+      
+      - name: Run GoReleaser
+        uses: goreleaser/goreleaser-action@v4
+        with:
+          version: ${{ env.GORELEASER_VER }}
+          args: release --clean ${{ env.flags }}
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}