feat: Updated email templates

mail/templates/layout.txt.tmpl

@@ -1,18 +1,23 @@
 {{- /*
   The plain-text counterpart of layout.html.tmpl.
 
-  It defines the same helper names - p, lead, button, well, note, rows, chip -
-  so a message's txt file reads as the same document as its html one, and a
-  helper added on one side is obvious by its absence on the other.
+  It defines the same helper names - p, lead, small, label, divider, button,
+  well, note, rows, chip, callout, steps, stats, timeline - so a message's txt
+  file reads as the same document as its html one, and a helper added on one
+  side is obvious by its absence on the other.
 
-  "subject" is defined here rather than in the HTML file: html/template would
-  escape an ampersand in an instance name, and mail clients show subject lines
-  verbatim.
+  "subject" and "tone" are defined here rather than in the HTML file:
+  html/template would escape an ampersand in an instance name, and mail
+  clients show subject lines verbatim. tone is read once per render and handed
+  to both layouts through the tone func.
 */ -}}
 {{- define "subject"}}Vantage{{end -}}
+{{- define "tone"}}accent{{end -}}
 {{- define "title"}}{{end -}}
 {{- define "pill"}}{{end -}}
 {{- define "body"}}{{end -}}
+{{- define "category"}}Account{{end -}}
+{{- define "why"}}it relates to your Vantage account.{{end -}}
 
 {{- define "p"}}{{.}}
 
@@ -20,8 +25,16 @@
 {{- define "lead"}}{{.}}
 
 {{end -}}
-{{- define "button"}}{{.label}}:
+{{- define "small"}}{{.}}
 
+{{end -}}
+{{- define "label"}}{{upper .}}
+
+{{end -}}
+{{- define "divider"}}----------------------------------------
+
+{{end -}}
+{{- define "button"}}{{.label}}:
 {{.url}}
 
 {{end -}}
@@ -31,16 +44,38 @@
 {{- define "note"}}{{.}}
 
 {{end -}}
-{{- define "rows"}}{{range .}}{{.k}}: {{.v}}
+{{- define "rows"}}{{range .}}  {{.k}}: {{.v}}
 {{end}}
 {{end -}}
-{{- define "chip"}}[{{upper .label}}]
+{{- define "chip"}}[{{upper .label}}]{{end -}}
+{{- define "callout"}}>> {{.title}}
+   {{.text}}
 
 {{end -}}
-VANTAGE
+{{- define "steps"}}{{range $i, $s := .}}  {{add $i 1}}. {{$s.t}}
+     {{$s.d}}
+{{end}}
+{{end -}}
+{{- define "stats"}}{{range .}}  {{.label}}: {{.big}}
+{{end}}
+{{end -}}
+{{- define "timeline"}}{{range .}}  {{if eq .state "done"}}[x]{{else if eq .state "now"}}[>]{{else}}[ ]{{end}} {{.label}}: {{.date}}
+{{end}}
+{{end -}}
+{{- define "findings"}}{{range .}}  - {{.CVEID}} [{{upper .Severity}}] {{.PackageName}} on {{.ServerName}}, {{if .FixedIn}}fixed in {{.FixedIn}}{{else}}no fix published yet{{end}}
+{{end}}
+{{end -}}
+VANTAGE · {{template "category" .}}
+
 {{template "pill" .}}
 {{template "title" .}}
+========================================
 
 {{template "body" .}}
---
-Sent by Vantage · infrastructure control plane
+----------------------------------------
+Why you got this: {{template "why" .}}
+{{with hq}}
+Vantage HQ: {{.}}
+Billing:    {{.}}/billing
+{{end}}
+Vantage · infrastructure control plane