Replaced old placeholder

New design puts the xcstrings file in the main directory, can be changed later

Scribe-i18n/Scripts/convert_to_swift.py

@@ -51,4 +51,4 @@
 data += (f'  }},\n'
          f'  "version" : "1.0"\n'
          f'}}\n')
-open('placeholder', 'w').write(data)
+open(os.path.join(directory, "Localizable.xcstrings"), 'w').write(data)