Add Spotty Energy tariff (#16946)

templates/definition/tariff/spottyenergy.yaml

@@ -0,0 +1,23 @@
+template: spottyenergy
+products:
+  - brand: Spotty Energie
+requirements:
+  description:
+    de: "Nur für Österreich verfügbar."
+    en: "Only available for Austria."
+group: price
+params:
+  - name: contractId
+    example: ffffffff-4444-6666-2222-aaaaaabbbbbb
+    required: true
+    help:
+      de: "Die Vertragsnummer bekommst du im Kundenportal https://i.spottyenergie.at/"
+      en: "You can get your contract id from the customer portal https://i.spottyenergie.at/"
+  - preset: tariff-base
+render: |
+  type: custom
+  {{ include "tariff-base" . }}
+  forecast:
+    source: http
+    uri: https://i.spottyenergie.at/api/prices/MARKET/{{ .contractId }}
+    jq: '[.[] | {start: .from, end: (.from | fromdate + 3600 | todate), price: (.price/100)}] | tostring'