Implemented the "allCasesWithRoot" static property for the Folder enumeration in the library target.

Library/Sources/Internal/Enumerations/Folder.swift

@@ -30,4 +30,19 @@ extension Folder {
 
 // MARK: - CaseIterable
 
-extension Folder: CaseIterable {}
+extension Folder: CaseIterable {
+    
+    // MARK: Properties
+    
+    static var allCases: [Folder] {[
+        .app,
+        .libraryPublic,
+        .libraryInternal,
+        .testCasesPublic,
+        .testCasesInternal,
+        .testHelpers
+    ]}
+    
+    static var allCasesWithRoot: [Folder] { [.root] + Folder.allCases }
+    
+}