cmd/streamdata: format vod metadata for stdout

This is useful for a show command.

Signed-off-by: Yonah <contrib@gensokyo.uk>

cmd/streamdata/format.go

@@ -0,0 +1,16 @@
+package main
+
+import (
+	"fmt"
+
+	"git.gensokyo.uk/yonah/streamdata"
+)
+
+// printVOD prints a text representation of [streamdata.VOD] to stdout.
+func printVOD(v *streamdata.VOD) {
+	fmt.Println("Title   :", v.Title)
+	fmt.Println("Date    :", v.Date.Format("2006-01-02"))
+	if v.Category != "" {
+		fmt.Println("Category:", v.Category)
+	}
+}