Add swifter dependency

Author: NovaDev404

project.yml

@@ -15,6 +15,10 @@ packages:
     url: https://github.com/weichsel/ZIPFoundation.git
     branch: main
 
+  Swifter:
+    url: https://github.com/httpswift/swifter.git
+    branch: stable
+
 targets:
   prostore:
     type: application
@@ -56,4 +60,7 @@ targets:
         product: ZsignSwift
 
       - package: ZIPFoundation
-        product: ZIPFoundation
+        product: ZIPFoundation
+
+      - package: Swifter
+        product: Swifter