Write and load settings at the start of the game

dungeonbattle/settings.py

@@ -1,4 +1,5 @@
 import json
+import os
 from typing import Any, Generator
 
 
@@ -64,14 +65,15 @@ class Settings:
         d = dict()
         for key in self.settings_keys:
             d[key] = getattr(self, key)
-        return json.dumps(d)
+        return json.dumps(d, indent=4)
 
     def load_settings(self) -> None:
         """
         Loads the settings from a file
         """
-        with open("settings.json", "r") as f:
-            self.loads_from_string(f.read())
+        if os.path.isfile("settings.json"):
+            with open("settings.json", "r") as f:
+                self.loads_from_string(f.read())
 
     def write_settings(self) -> None:
         """