Add template root path parameter

SwiftMetaModelGenerator.xcodeproj/xcshareddata/xcschemes/SwiftMetaModelGenerator.xcscheme

@@ -67,6 +67,14 @@
             argument = "/Users/tobias/Documents/Programmieren/Projects/WolfManagement/WolfManagementMobile/WolfManagementMobile/Generated/Metamodel.swift"
             isEnabled = "YES">
          </CommandLineArgument>
+         <CommandLineArgument
+            argument = "--template-root"
+            isEnabled = "YES">
+         </CommandLineArgument>
+         <CommandLineArgument
+            argument = "/Users/tobias/Documents/Programmieren/Projects/SwiftMetaModelGenerator/SwiftMetaModelGenerator/templates"
+            isEnabled = "YES">
+         </CommandLineArgument>
       </CommandLineArguments>
    </LaunchAction>
    <ProfileAction

SwiftMetaModelGenerator/main.swift

@@ -19,6 +19,9 @@ struct SwiftMetaModelGenerator: ParsableCommand
     @Option(name: .shortAndLong, help: "Output file")
     var output: String
     
+    @Option(name: .shortAndLong, help: "Root folder of templates file")
+    var templateRoot: String
+    
     mutating func run() throws {
         let inputPath = Path(input)
         let classes: [ClassDeclaration]
@@ -32,7 +35,7 @@ struct SwiftMetaModelGenerator: ParsableCommand
           "classes": classes
         ]
 
-        let environment = Environment(loader: FileSystemLoader(paths: ["/Users/tobias/Documents/Programmieren/Projects/SwiftMetaModelGenerator/SwiftMetaModelGenerator/templates/"]))
+        let environment = Environment(loader: FileSystemLoader(paths: [Path(templateRoot)]))
         let rendered = try environment.renderTemplate(name: "meta_model.stencil", context: context)
         
         try Path(output).write(rendered)