Added new, focused forecast discussion endpoints for key messages, short term, and long term discussions

templates/discussion_key_messages.txt.tmpl

@@ -0,0 +1,17 @@
+{{- if .Data -}}
+Forecast Discussion Key Messages
+Office ID: {{if .Data.OfficeID}}{{.Data.OfficeID}}{{else}}n/a{{end}}
+Office Name: {{if .Data.OfficeName}}{{.Data.OfficeName}}{{else}}n/a{{end}}
+Product: {{.Data.Product}}
+Issued At: {{.Data.IssuedAt}}
+{{- if .Data.UpdatedAt}}
+Updated At: {{.Data.UpdatedAt}}
+{{- end}}
+Key Messages: {{len .Data.KeyMessages}}
+{{- range $i, $message := .Data.KeyMessages}}
+
+[{{$i}}] {{$message}}
+{{- end}}
+{{- else -}}
+No key messages discussion data available.
+{{- end}}