Add flux webhook receiver

apps/apps.yaml

@@ -2,6 +2,14 @@
 apiVersion: kustomize.config.k8s.io/v1beta1
 kind: Kustomization
 namespace: kube-system
+metadata:
+  name: flux-webhook
+resources:
+  - flux/webhook-route.yaml
+---
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+namespace: kube-system
 metadata:
   name: traefik
 resources:

apps/flux/webhook-route.yaml

@@ -0,0 +1,14 @@
+apiVersion: traefik.containo.us/v1alpha1
+kind: IngressRoute
+metadata:
+  name: flux-webhook-route
+  namespace: flux-system
+spec:
+  entryPoints:
+    - web
+  routes:
+  - match: Host(`fluxhook.trivernis.dev`)
+    kind: Rule
+    services:
+    - name: webhook-receiver
+      port: 80