tls image and yaml in example added

Signed-off-by: Hiranmoy Das Chowdhury <[email protected]>

docs/examples/pgbouncer/tls/issuer.yaml

@@ -0,0 +1,8 @@
+apiVersion: cert-manager.io/v1
+kind: Issuer
+metadata:
+  name: pgbouncer-ca-issuer
+  namespace: demo
+spec:
+  ca:
+    secretName: pgbouncer-ca

docs/examples/pgbouncer/tls/pgbouncer-ssl.yaml

@@ -0,0 +1,38 @@
+apiVersion: kubedb.com/v1
+kind: PgBouncer
+metadata:
+  name: pb-tls
+  namespace: demo
+spec:
+  replicas: 1
+  version: "1.18.0"
+  database:
+    syncUsers: true
+    databaseName: "postgres"
+    databaseRef:
+      name: "pg"
+      namespace: demo
+  connectionPool:
+    poolMode: session
+    port: 5432
+    reservePoolSize: 5
+    maxClientConnections: 87
+    defaultPoolSize: 2
+    minPoolSize: 1
+    authType: md5
+  deletionPolicy: WipeOut
+  sslMode: verify-ca
+  tls:
+    issuerRef:
+      apiGroup: cert-manager.io
+      name: pb-ca-issuer
+      kind: Issuer
+    certificates:
+      - alias: server
+        subject:
+          organizations:
+            - kubedb:server
+        dnsNames:
+          - localhost
+        ipAddresses:
+          - "127.0.0.1"