Restructured the folder structure in the library and test targets.

Library/Sources/Internal/Enumerations/ResourceFile.swift

@@ -0,0 +1,29 @@
+enum ResourceFile: String {
+    case dockerIgnore = "docker_ignore"
+    case gitIgnore = "git_ignore"
+    case license
+    case package
+    case readme
+}
+
+// MARK: - Properties
+
+extension ResourceFile {
+    
+    // MARK: Computed
+
+    var fileName: String {
+        switch self {
+        case .dockerIgnore: return ".dockerignore"
+        case .gitIgnore: return ".gitignore"
+        case .license: return "LICENSE"
+        case .readme: return "README.md"
+        case .package: return "Package.swift"
+        }
+    }
+    
+}
+
+// MARK: - CaseIterable
+
+extension ResourceFile: CaseIterable {}

Library/Sources/Internal/Extensions/Bundle+Conformances.swift

@@ -0,0 +1,5 @@
+import Foundation
+
+// MARK: - BundleServicing
+
+extension Bundle: BundleServicing {}

Library/Sources/Internal/Extensions/URL+Extensions.swift

@@ -0,0 +1,35 @@
+import Foundation
+
+extension URL {
+    
+    // MARK: Initialisers
+    
+    init(at filePath: String) {
+        if #available(macOS 13.0, *) {
+            self = URL(filePath: filePath)
+        } else {
+            self = URL(fileURLWithPath: filePath)
+        }
+    }
+    
+    // MARK: Computed
+    
+    var pathString: String {
+        if #available(macOS 13.0, *) {
+            path(percentEncoded: true)
+        } else {
+            path
+        }
+    }
+    
+    // MARK: Functions
+    
+    func appendingPath(_ path: String) -> URL {
+        if #available(macOS 13.0, *) {
+            appending(path: path)
+        } else {
+            appendingPathComponent(path)
+        }
+    }
+    
+}