home-assistant: Deploy Piper and Whisper

Piper is the new text-to-speech service for Home Assistant.  Whisper is
a speech-to-text service.  Together, these services, which communicate
with Home Assistant via the Wyoming protocol, provide the speech
interface to the new Home Assistant Voice Assistant feature.

home-assistant/hass-k8s.plantuml

@@ -1,3 +1,4 @@
+// vim: set sw=4 ts=4 sts=4 et :
 @startuml
 
 person User
@@ -12,6 +13,8 @@ cloud Kubernetes {
     node "Main Node Cluster" {
         [Home Assistant] as hass
         queue Mosquitto as mqtt
+        [Piper] as piper
+        [Whisper] as whisper
 
         database PostgreSQL as postgres
     }
@@ -37,6 +40,8 @@ cloud Kubernetes {
     ingress --[#purple]-> mqtt
     hass -[#teal]-> postgres
     hass -[#orange]-> zwavejs
+    hass -[#pink]--> piper
+    hass -[#pink]--> whisper
     hass -[#purple]> mqtt
     z2m -[#purple]-> mqtt
 
@@ -51,5 +56,6 @@ legend right
   |<color:teal><&arrow-right></color> | PostgreSQL |
   |<color:red><&arrow-right></color> | USB |
   |<color:lightblue><&arrow-right></color> | ESPHome, etc. |
+  |<color:pink><&arrow-right></color> | Wyoming |
 end legend
 @enduml