chore(k8s): move traefik to the infrastructure folder

kubernetes/dev/infrastructure/traefik/namespace.yaml

@@ -0,0 +1,5 @@
+---
+apiVersion: v1
+kind: Namespace
+metadata:
+  name: traefik

kubernetes/dev/infrastructure/traefik/release.yaml

@@ -0,0 +1,16 @@
+---
+apiVersion: helm.toolkit.fluxcd.io/v2
+kind: HelmRelease
+metadata:
+  name: traefik
+  namespace: traefik
+spec:
+  chart:
+    spec:
+      chart: traefik
+      reconcileStrategy: ChartVersion
+      sourceRef:
+        kind: HelmRepository
+        name: traefik
+        namespace: flux-system
+  interval: 1m0s

kubernetes/dev/infrastructure/traefik/repository.yaml

@@ -0,0 +1,9 @@
+---
+apiVersion: source.toolkit.fluxcd.io/v1
+kind: HelmRepository
+metadata:
+  name: traefik
+  namespace: flux-system
+spec:
+  interval: 1m0s
+  url: https://traefik.github.io/charts