Revert "chore(prometheus): drop dead grafana routes and cert"

This reverts commit 314ec0cda7.

prometheus-stack/k8s/ingress.yaml

@@ -0,0 +1,33 @@
+apiVersion: traefik.io/v1alpha1
+kind: IngressRoute
+metadata:
+  name: grafana-prod
+  namespace: prometheus
+spec:
+  entryPoints:
+    - websecure
+  routes:
+    - match: Host(`grafana.forust.xyz`)
+      kind: Rule
+      services:
+        - name: prometheus-stack-grafana
+          port: 80
+  tls:
+    secretName: grafana-prod-tls
+---
+apiVersion: traefik.io/v1alpha1
+kind: IngressRoute
+metadata:
+  name: grafana-local
+  namespace: prometheus
+spec:
+  entryPoints:
+    - websecure
+  routes:
+    - match: Host(`grafana.workstation.internal`) || Host(`grafana.gigaforust.internal`)
+      kind: Rule
+      services:
+        - name: prometheus-stack-grafana
+          port: 80
+  tls:
+    secretName: internal-wildcard-tls