feat: add email sharing functionality, canonical URLs, and enhance metadata for SEO

languages/en.json

@@ -9,6 +9,16 @@
 	"Skip to content": "Skip to content",
 	"Pagination": "Pagination",
 	"RSS": "RSS",
+	"Email": "Email",
+	"Share": "Share",
+	"Share on X": "Share on X",
+	"Share on LinkedIn": "Share on LinkedIn",
+	"Copy link": "Copy link",
+	"Link copied": "Link copied",
+	"Related posts": "Related posts",
+	"Previous": "Previous",
+	"Next": "Next",
+	"Updated": "Updated",
 	"Copy": "Copy",
 	"Copied": "Copied",
 	"Copy code": "Copy code",