Documented the IndexPrefix enumeration in the library target.

Library/Sources/Internal/Enumerations/IndexPrefix.swift

@@ -1,5 +1,8 @@
+/// An enumeration that represents the folders where articles and tutorials data and assets will be stored.
 enum IndexPrefix: String, CaseIterable {
+    /// A folder that contains all articles' assets and data generated is stored.
     case documentation
+    /// A folder that contains all tutorials' assets and data generated is stored.
     case tutorials
 }
 
@@ -10,7 +13,7 @@ extension IndexPrefix: Pathable {
     // MARK: Computed
     
     var path: String {
-        .init(format: .Format.pathRoot, rawValue)
+        .init(format: .Format.Path.root, rawValue)
     }
     
 }

Test/Sources/Cases/Internal/Enumerations/IndexPrefixTests.swift

@@ -0,0 +1,34 @@
+import Testing
+
+@testable import AppLibrary
+
+@Suite("IndexPrefix")
+struct IndexPrefixTests {
+
+    @Test(arguments: zip(IndexPrefix.allCases, [String].paths))
+    func path(
+        for prefix: IndexPrefix,
+        expects pathExpected: String
+    ) async throws {
+        // GIVEN
+        // WHEN
+        let path = prefix.path
+        
+        // THEN
+        #expect(path == pathExpected)
+    }
+
+}
+
+// MARK: - Collection+Strings
+
+private extension Collection where Element == String {
+    
+    // MARK: Properties
+    
+    static var paths: [Element] {[
+        "/documentation",
+        "/tutorials"
+    ]}
+    
+}