feat: public API, SEO and existing surfaces

internal/domain/article/articlePublic.go

@@ -0,0 +1,13 @@
+package article
+
+import "errors"
+
+var ErrLanguageNotAvailable = errors.New("no published version in that language")
+
+type Alternate struct {
+	ID      uint32  `json:"id"`
+	Lang    string  `json:"lang"`
+	StoryID uint32  `json:"story_id"`
+	Slug    string  `json:"slug"`
+	URL     *string `json:"url"`
+}