Implemented phase 3 for the POC prototype in the Website service.

Services/Website/Sources/Library/Internal/Extensions/String+Routes.swift

@@ -40,6 +40,14 @@ extension String {
         /// The want list.
         static let wants = "/wants"
 
+        /// The path an offer is answered at.
+        /// - Parameter id: the offer's identifier.
+        static func answer(
+            offer id: UUID
+        ) -> String {
+            "\(sellerDashboard)/offers/\(id.uuidString.lowercased())"
+        }
+
         /// The path buying a listing outright starts at.
         /// - Parameter slug: the listing's URL slug.
         static func buy(
@@ -48,6 +56,14 @@ extension String {
             "\(listing(slug))/buy"
         }
 
+        /// The path of a conversation.
+        /// - Parameter id: the conversation's identifier.
+        static func conversation(
+            _ id: UUID
+        ) -> String {
+            "\(messages)/\(id.uuidString.lowercased())"
+        }
+
         /// The path a gated action leads to: the action itself when signed in, else the sign-in screen, returning to where the action was taken.
         /// - Parameters:
         ///   - path: the action's own path.
@@ -93,6 +109,14 @@ extension String {
             "\(listing(slug))/offer"
         }
 
+        /// The path of a sale record.
+        /// - Parameter number: the record's number.
+        static func sale(
+            _ number: Int
+        ) -> String {
+            "/sales/\(number)"
+        }
+
         /// The path of a shop's public screen.
         /// - Parameter slug: the shop's URL slug.
         static func shop(