docs: add badge showing version introduced and experimental/beta/deprecated status to command doc pages

cmd/gendocs/gendocs.go

@@ -31,6 +31,7 @@ type frontmatter struct {
 	Slug        string
 	URL         string
 	Source      string
+	Annotations map[string]string
 }
 
 var frontmatterTemplate = template.Must(template.New("frontmatter").Parse(`---
@@ -38,6 +39,9 @@ title: "{{ .Title }}"
 description: "{{ .Description }}"
 slug: {{ .Slug }}
 url: {{ .URL }}
+{{- range $key, $value := .Annotations }}
+{{ $key }}: {{  $value }}
+{{- end }}
 # autogenerated - DO NOT EDIT, instead edit the source code in {{ .Source }} and as part of making a release run "make commanddocs"
 ---
 `))
@@ -75,17 +79,24 @@ rclone.org website.`,
 			return err
 		}
 
-		// Look up name => description for prepender
-		var description = map[string]string{}
-		var addDescription func(root *cobra.Command)
-		addDescription = func(root *cobra.Command) {
+		// Look up name => details for prepender
+		type commandDetails struct {
+			Short       string
+			Annotations map[string]string
+		}
+		var commands = map[string]commandDetails{}
+		var addCommandDetails func(root *cobra.Command)
+		addCommandDetails = func(root *cobra.Command) {
 			name := strings.ReplaceAll(root.CommandPath(), " ", "_") + ".md"
-			description[name] = root.Short
+			commands[name] = commandDetails{
+				Short:       root.Short,
+				Annotations: root.Annotations,
+			}
 			for _, c := range root.Commands() {
-				addDescription(c)
+				addCommandDetails(c)
 			}
 		}
-		addDescription(cmd.Root)
+		addCommandDetails(cmd.Root)
 
 		// markup for the docs files
 		prepender := func(filename string) string {
@@ -94,10 +105,11 @@ rclone.org website.`,
 			data := frontmatter{
 				Date:        now,
 				Title:       strings.ReplaceAll(base, "_", " "),
-				Description: description[name],
+				Description: commands[name].Short,
 				Slug:        base,
 				URL:         "/commands/" + strings.ToLower(base) + "/",
 				Source:      strings.ReplaceAll(strings.ReplaceAll(base, "rclone", "cmd"), "_", "/") + "/",
+				Annotations: commands[name].Annotations,
 			}
 			var buf bytes.Buffer
 			err := frontmatterTemplate.Execute(&buf, data)