[DO-1431] add mermaid (!14)

[DO-1431]

Co-authored-by: denis.patrakeev <denis.patrakeev@avroid.tech>
Reviewed-on: https://git.avroid.tech/K8s/k8s-configs/pulls/14

clusters/k8s-avroid-office.prod.local/namespaces/mermaid/kustomize/kustomization.yaml

@@ -0,0 +1,7 @@
+---
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+resources:
+  - mermaid-deployment.yaml
+  - mermaid-service.yaml
+  - mermaid-ingress.yaml

clusters/k8s-avroid-office.prod.local/namespaces/mermaid/kustomize/mermaid-deployment.yaml

@@ -0,0 +1,43 @@
+---
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: mermaid
+  labels:
+    app.kubernetes.io/name: mermaid
+    app.kubernetes.io/instance: mermaid
+spec:
+  replicas: 2
+  selector:
+    matchLabels:
+      app.kubernetes.io/name: mermaid
+      app.kubernetes.io/instance: mermaid
+  template:
+    metadata:
+      labels:
+        app.kubernetes.io/name: mermaid
+        app.kubernetes.io/instance: mermaid
+    spec:
+      containers:
+        - name: mermaid
+          image: harbor.avroid.tech/docker-hub-proxy/supinf/mermaid-editor:8.0
+          imagePullPolicy: IfNotPresent
+          ports:
+            - name: http
+              containerPort: 80
+              protocol: TCP
+          readinessProbe:
+            httpGet:
+              path: /
+              port: http
+            initialDelaySeconds: 5
+            periodSeconds: 15
+          resources:
+            requests:
+              cpu: 50m
+              memory: 32Mi
+            limits:
+              cpu: 250m
+              memory: 256Mi
+      nodeSelector:
+        node-role.kubernetes.io/worker: ""

clusters/k8s-avroid-office.prod.local/namespaces/mermaid/kustomize/mermaid-ingress.yaml

@@ -0,0 +1,21 @@
+---
+apiVersion: networking.k8s.io/v1
+kind: Ingress
+metadata:
+  name: mermaid
+  labels:
+    app.kubernetes.io/name: mermaid
+    app.kubernetes.io/instance: mermaid
+spec:
+  ingressClassName: nginx
+  rules:
+    - host: mermaid.avroid.tech
+      http:
+        paths:
+          - path: /
+            pathType: Prefix
+            backend:
+              service:
+                name: karma
+                port:
+                  name: http

clusters/k8s-avroid-office.prod.local/namespaces/mermaid/kustomize/mermaid-service.yaml

@@ -0,0 +1,18 @@
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: mermaid
+  labels:
+    app.kubernetes.io/name: mermaid
+    app.kubernetes.io/instance: mermaid
+spec:
+  type: ClusterIP
+  ports:
+    - name: http
+      protocol: TCP
+      port: 80
+      targetPort: 80
+  selector:
+    app.kubernetes.io/name: mermaid
+    app.kubernetes.io/instance: mermaid