major(ingress): Migrate hel1 to ha-proxy controller

Most ingresses annotations should be work with small changes.

values/docs/values/values.yaml

@@ -8,13 +8,11 @@ env:
     value: "1"
 ingress:
   enabled: true
-  className: "nginx"
+  className: "haproxy"
   annotations:
     cert-manager.io/cluster-issuer: letsencrypt-production
-    nginx.ingress.kubernetes.io/backend-protocol: HTTP
-    nginx.ingress.kubernetes.io/enable-cors: "true"
-    nginx.ingress.kubernetes.io/proxy-buffer-size: 128k
-    nginx.ingress.kubernetes.io/ssl-redirect: "true"
+    haproxy.org/backend-protocol: h1
+    haproxy.org/cors-enable: "true"
     oceanbox.io/expose: internal
   hosts:
     - host: docs.oceanbox.io