feat: Adds generate-config as json file.

Sources/CliClient/Configuration.swift

@@ -3,7 +3,7 @@ import Foundation
 import ShellClient
 
 /// Represents the configuration.
-public struct Configuration: Decodable {
+public struct Configuration: Codable {
 
   public let playbookDir: String?
   public let inventoryPath: String?
@@ -41,8 +41,21 @@ public struct Configuration: Decodable {
     return try decoder.decode(Configuration.self, from: data)
   }
 
+  static var mock: Self {
+    .init(
+      playbookDir: "/path/to/playbook",
+      inventoryPath: "/path/to/inventory.ini",
+      templateRepo: "https://git.example.com/consult-template.git",
+      templateRepoVersion: "main",
+      templateDir: "/path/to/local/template",
+      defaultPlaybookArgs: "--vault-id=myId@$SCRIPTS/vault-gopass-client"
+    )
+  }
+
   static var fileTemplate: String {
     """
+    # vi: ft=sh
+
     # Example configuration, uncomment the lines and set the values appropriate for your
     # usage.