chore: add templates

Author: hazcod

README.md

@@ -29,21 +29,42 @@ email:
   domain: "mycompany"
 
 # what is sent to the user in Go templating
-message: |
-  *:warning:  We found security vulnerabilities on your device(s)*
-  Hi {{ .Slack.Profile.FirstName }} {{ .Slack.Profile.LastName }}! One or more of your devices seem to be vulnerable.
-  Luckily we noticed there are patches available. :tada:
-  Can you please update following software as soon as possible?
-
-  {{ range $device := .User.Devices }}
-  :computer: {{ $device.MachineName }}
-  {{ range $vuln := $device.Findings }}
-    `{{ $vuln.ProductName }}`
-  {{ end }}
-  {{ end }}
-
-  Please update them as soon as possible. In case of any issues, hop into *#security*.
-  Thank you! :wave:
+templates:
+  user_message: |
+    *:warning:  We found security vulnerabilities on your device(s)*
+    Hi {{ .Slack.Profile.FirstName }} {{ .Slack.Profile.LastName }}! One or more of your devices seem to be vulnerable.
+    Luckily we noticed there are patches available. :tada:
+    Can you please update following software as soon as possible?
+
+    {{ range $device := .User.Devices }}
+    :computer: {{ $device.MachineName }}
+    {{ range $vuln := $device.Findings }}
+      `{{ $vuln.ProductName }}`
+    {{ end }}
+    {{ end }}
+
+    Please update them as soon as possible. In case of any issues, hop into *#security*.
+    Thank you! :wave:
+
+  security_overview_message: |
+    :information_source: *Device Posture overview* {{ .Date.Format "Jan 02, 2006 15:04:05 UTC" }}
+
+    {{ if not .Results }}Nothing to report!  :white_check_mark: {{ else }}
+    {{ range $result := .Results }}
+    :man-surfing: *{{ $result.Email }}*
+    {{ range $device := $result.Devices }}
+      :computer: {{ $device.MachineName}}
+      {{ range $vuln := $device.Findings }}- {{ $vuln.ProductName }} ({{ $vuln.CveSeverity }}) ({{ $vuln.TimestampFound }}) ({{ $vuln.CveID }}){{ end }}
+    {{ end }}
+    {{ end }}
+    {{ end }}
+
+    {{ if .Errors }}
+    :warning: *Errors:*
+    {{ range $err := .Errors }}
+    - {{ $err }}
+    {{ end }}
+    {{ end }}
 ```
 4. Run `css -config=your-config.yml`.
 5. See it popup in Slack!