Print API key instructions (#9)

* Remove unused argument

* Print instructions for obtaining API key

Author: lordcodes

Sources/ImageCramCLI/ApiKeyRepository.swift

@@ -33,7 +33,13 @@ struct ApiKeyRepository {
     }
 
     private func readNewKey() throws -> String {
-        printer.forcedOutput(message: "Please enter your TinyPNG API key. More details at https://tinypng.com/developers")
+        let instructions = """
+        Please enter your TinyPNG API key.
+        If you already have a TinyPNG account, you can get the API key from: https://tinypng.com/dashboard/api.
+        Otherwise, you can find more details at https://tinypng.com/developers.
+        """
+        printer.forcedOutput(message: instructions)
+
         let newKey = readLine()?.trimmingCharacters(in: .whitespacesAndNewlines) ?? ""
         if !newKey.isEmpty {
             try write(apiKey: newKey)

Sources/ImageCramCLI/FileMover.swift

@@ -4,7 +4,6 @@ import Files
 import Foundation
 
 struct FileMover {
-    let printer: CommandLinePrinter
     let outputPath: String?
 
     func move(inputPath: String, from localUrl: URL) throws {

Sources/ImageCramCLI/ImageCramCommand.swift

@@ -52,7 +52,7 @@ struct ImageCramCommand: ParsableCommand {
         }
 
         let compressor = ImageCompressor(apiKey: apiKey, printer: printer)
-        let mover = FileMover(printer: printer, outputPath: output)
+        let mover = FileMover(outputPath: output)
 
         for input in inputs {
             let result = try compressor.compress(filePath: input)