Implemented the CreatedRootFolderTask task in the Library target.

Sources/Library/Tasks/CreateRootFolderTask.swift

@@ -0,0 +1,38 @@
+import Foundation
+
+public struct CreateRootFolderTask {
+    
+    // MARK: Properties
+    
+    private let fileService: FileServicing
+    
+    // MARK: Initialisers
+    
+    public init(fileService: FileServicing) {
+        self.fileService = fileService
+    }
+    
+    // MARK: Functions
+    
+    public func callAsFunction(
+        name: String,
+        at location: URL? = nil
+    ) async throws -> URL {
+        let rootFolder = if let location {
+            location
+        } else {
+            await fileService.currentFolder
+        }
+        
+        let newFolder = if #available(macOS 13.0, *) {
+            rootFolder.appending(path: name)
+        } else {
+            rootFolder.appendingPathComponent(name)
+        }
+
+        try await fileService.createFolder(at: newFolder)
+        
+        return newFolder
+    }
+    
+}