New dashboard based on OpenAPI schema (#1269)

A new dashboard based on https://github.com/PRO-Robotech/openapi-ui
project

<img width="1720" height="1373" alt="Screenshot 2025-08-01 at 09-01-00
OpenAPI UI"
src="https://github.com/user-attachments/assets/7ae04789-24ec-4e4b-830b-6f16e96513eb"
/>
<img width="1720" height="1373" alt="Screenshot 2025-08-01 at 09-01-14
OpenAPI UI"
src="https://github.com/user-attachments/assets/ca5aa85d-43f0-4b5b-b87a-3bc237834f10"
/>
<img width="1720" height="1373" alt="Screenshot 2025-08-01 at 09-02-05
OpenAPI UI"
src="https://github.com/user-attachments/assets/ebee7bfa-c3ac-4fe6-b5e1-43e9e7042c6a"
/>

<!-- Thank you for making a contribution! Here are some tips for you:
- Start the PR title with the [label] of Cozystack component:
- For system components: [platform], [system], [linstor], [cilium],
[kube-ovn], [dashboard], [cluster-api], etc.
- For managed apps: [apps], [tenant], [kubernetes], [postgres],
[virtual-machine] etc.
- For development and maintenance: [tests], [ci], [docs], [maintenance].
- If it's a work in progress, consider creating this PR as a draft.
- Don't hesistate to ask for opinion and review in the community chats,
even if it's still a draft.
- Add the label `backport` if it's a bugfix that needs to be backported
to a previous version.
-->

<!--  Write a release note:
- Explain what has changed internally and for users.
- Start with the same [label] as in the PR title
- Follow the guidelines at
https://github.com/kubernetes/community/blob/master/contributors/guide/release-notes.md.
-->

```release-note
[cozystack-api] Implement TenantNamespace, TenantModules, TenantSecret and TenantSecretsTable resources
[cozystack-controller] Introduce new dashboard-controller
[dashboard] Introduce new dashboard based on openapi-ui
```

Signed-off-by: Timofei Larkin <lllamnyp@gmail.com>

scripts/installer.sh

@@ -89,6 +89,9 @@ kubectl get hr -A -o go-template='{{ range .items }}{{ if .spec.suspend }}{{ .sp
   esac
 done
 
+# TODO: Update all Cozystack managed charts to latest version
+# kubectl get hr -A -l cozystack.io/ui=true --no-headers | awk '{print "kubectl patch helmrelease -n " $1 " " $2 " --type=merge -p '\''{\"spec\":{\"chart\":{\"spec\":{\"version\":\"*\"}}}}'\'' "}' | sh -x
+
 # Reconcile platform chart
 trap 'exit' INT TERM
 while true; do

scripts/migrations/20

@@ -0,0 +1,30 @@
+#!/bin/sh
+# Migration 20 --> 21
+
+set -euo pipefail
+
+kubectl delete ingresses.networking.k8s.io --all -n cozy-dashboard --ignore-not-found
+kubectl delete cozystackresourcedefinitions --all-namespaces --all --ignore-not-found
+kubectl delete crd cozystackresourcedefinitions.cozystack.io --ignore-not-found
+
+timestamp=$(date --rfc-3339=ns)
+# Make sure webhook is upgraded first, then run migration
+if kubectl get helmrelease cozystack-controller -n cozy-system; then
+  kubectl annotate helmrelease cozystack-controller -n cozy-system \
+    reconcile.fluxcd.io/forceAt="$timestamp" \
+    reconcile.fluxcd.io/requestedAt="$timestamp" \
+    --overwrite
+  kubectl wait hr/cozystack-controller -n cozy-system --timeout=4m --for=condition=ready || exit 1
+fi
+kubectl get namespace -o custom-columns=NAME:.metadata.name --no-headers |
+  grep '^tenant-' |
+  while read namespace ; do
+    (set -x; \
+    kubectl annotate \
+      pods,services,pvc,secrets,ingresses.networking.k8s.io,workloadmonitors.cozystack.io \
+      -n "$namespace" --all \
+      migration.cozystack.io="$timestamp" --overwrite)
+  done
+# Stamp version
+kubectl create configmap -n cozy-system cozystack-version \
+  --from-literal=version=21 --dry-run=client -o yaml | kubectl apply -f-