Rename stable to charts folder, link README

This is the common approach, stable doesnt make sense.
Also since coredns is the only chart in this repo, link the README
instead.

Signed-off-by: Manuel Rüger <manuel@rueg.eu>

.github/workflows/lint-test.yaml

@@ -14,7 +14,7 @@ jobs:
       - name: Set up Helm
         uses: azure/setup-helm@v1
         with:
-          version: v3.6.0
+          version: v3.6.3
 
       - uses: actions/setup-python@v2
         with:
@@ -35,7 +35,7 @@ jobs:
         run: ct lint
 
       - name: Create kind cluster
-        uses: helm/kind-action@v1.1.0
+        uses: helm/kind-action@v1.2.0
         if: steps.list-changed.outputs.changed == 'true'
 
       - name: Run chart-testing (install)

.github/workflows/release.yaml

@@ -23,11 +23,9 @@ jobs:
       - name: Set up Helm
         uses: azure/setup-helm@v1
         with:
-          version: v3.6.0
+          version: v3.6.3
 
       - name: Run chart-releaser
         uses: helm/chart-releaser-action@v1.2.1
-        with:
-          charts_dir: stable
         env:
           CR_TOKEN: "${{ secrets.GITHUB_TOKEN }}"

README.md

@@ -1,14 +0,0 @@
-# Coredns Helm Chart repository
-
-## Kubernetes
-
-This is a basic repository for *Coredns* helm charts.
-
-### Helm Chart
-
-This repository provides helm chart repo.
-
-```
-helm repo add coredns https://coredns.github.io/helm
-helm install coredns/
-```

README.md

@@ -0,0 +1 @@
+charts/coredns/README.md