Fix missing role in helm chart

Fix #4629

- Also improve doc about helm and minikube installation

docs/modules/ROOT/pages/contributing/developers.adoc

@@ -83,8 +83,8 @@ This executes a full build of the Go code. If you need to build the components s
 
 Currently the build is not entirely supported on Windows. If you're building on a Windows system, here's a temporary workaround:
 
-    1. Copy the `script/Makefile` to the root of the project. 
-    2. Run `make -f script/Makefile`. 
+    1. Copy the `script/Makefile` to the root of the project.
+    2. Run `make -f script/Makefile`.
     3. If the above command fails, run `make build-kamel`.
     4. Rename the `kamel` binary in the root to `kamel.exe`.
 
@@ -135,9 +135,12 @@ The commands assume you have an already running CRC instance and logged in corre
 
 === For Minikube
 
-* Run `make install-minikube`: to build the project and install it in the current namespace on Minikube
+First remove any camel k operator you may have installed, otherwise it will conflict with the new one we will build and install.
 
-This command assumes you have an already running Minikube instance with registry enabled (can be enabled with `minikube addons enable registry`) and no previous Camel K instance installed.
+* Enable the `registry` minikube addon: `minikube addons enable registry`
+* Set the access to the internal minikube registry: `eval $(minikube docker-env)`
+* Run `make images`: to build the project and install the image in the internal minikube registry
+* Install camel-k-operator: `./kamel install`
 
 === For remote Kubernetes/OpenShift clusters
 
@@ -150,6 +153,20 @@ kamel install --operator-image=docker.io/myrepo/camel-k:1.5.0-SNAPSHOT --operato
 
 Note `--olm=false` is necessary as otherwise the OLM bundle version is preferred.
 
+=== Local Helm installation
+
+If you want to test Helm installation
+
+* Build the Helm chart `make release-helm`
+* Build the project and the image: `make images`
+* Set the internal registry `export REGISTRY_ADDRESS=$(kubectl -n kube-system get service registry -o jsonpath='{.spec.clusterIP}')`
+* Install with Helm (look at the latest version produced by `make release-helm`)
+```
+ helm install camel-k-dev docs/charts/camel-k-2.1.0-SNAPSHOT.tgz --set platform.build.registry.address=${REGISTRY_ADDRESS} --set platform.build.registry.insecure=true --set operator.image=apache/camel-k:2.1.0-SNAPSHOT
+```
+
+To uninstall: `helm uninstall camel-k-dev`
+
 === Use
 
 Now you can play with Camel K:

helm/camel-k/templates/operator-role.yaml

@@ -32,7 +32,9 @@ rules:
   - integrationkits
   - integrationplatforms
   - integrations
-  - bindings
+  - pipes
+  - kameletbindings
+  # Deprecated: kameletbindings CR
   - kamelets
   verbs:
   - create
@@ -56,8 +58,11 @@ rules:
   - integrationplatforms/status
   - integrations/scale
   - integrations/status
-  - bindings/status
-  - bindings/scale
+  - pipes/status
+  - pipes/scale
+  # Deprecated: kameletbindings CR
+  - kameletbindings/status
+  - kameletbindings/scale
   - kamelets/status
   verbs:
   - get
@@ -92,6 +97,7 @@ rules:
   - ""
   resources:
   - pods/proxy
+  - pods/log
   verbs:
   - get
 - apiGroups:
@@ -111,6 +117,7 @@ rules:
   resources:
   - roles
   - rolebindings
+  - clusterrolebindings
   verbs:
   - create
   - delete
@@ -167,6 +174,13 @@ rules:
   - patch
   - update
   - watch
+- apiGroups:
+  - storage.k8s.io
+  resources:
+  - storageclasses
+  verbs:
+  - get
+  - list
 - apiGroups:
   - ""
   resources: