Defined the "render(_: on: )" function for the TemplateServicing protocol in the library target.

Library/Sources/Public/Protocols/TemplateServicing.swift

@@ -2,6 +2,15 @@ public protocol TemplateServicing {
     
     // MARK: Functions
     
-    func render(_ object: Any, on template: String) async throws (RenderServiceError) -> String
+    func render(_ object: Any, on template: String) async throws (TemplateServiceError) -> String
     
 }
+
+// MARK: - Errors
+
+public enum TemplateServiceError: Error {
+    case contentNotRendered
+    case resourcePathNotFound
+    case serviceNotInitialized
+    case templateNotFound
+}