Meter (Quatt): add heat pump power template

Author: rdmn7

templates/definition/meter/quatt.yaml

@@ -0,0 +1,18 @@
+template: quatt
+products:
+  - brand: Quatt
+    description:
+      generic: Hybrid Heat Pump
+group: heating
+params:
+  - name: usage
+    choice: ["aux"]
+  - name: host
+  - name: port
+    default: 8080
+render: |
+  type: custom
+  power:
+    source: http
+    uri: http://{{ .host }}:{{ .port }}/beta/feed/data.json
+    jq: ((.hp1.powerInput // 0) + (.hp2.powerInput // 0)) * 1000