Move to src. Add midi and sound

src/settings.py

@@ -0,0 +1,27 @@
+import json
+
+class Settings(dict):
+    SETTINGS_FILE = "settings.json"
+
+    def __init__(self):
+        super().__init__()
+        self.load()  # Load settings from file during initialization
+
+    def save(self):
+        try:
+            j = json.dumps(self, indent=4)
+            with open(self.SETTINGS_FILE, 'w') as file:
+                file.write(j)
+            print("Settings saved successfully.")
+        except Exception as e:
+            print(f"Error saving settings: {e}")
+
+    def load(self):
+        try:
+            with open(self.SETTINGS_FILE, 'r') as file:
+                loaded_settings = json.load(file)
+            self.update(loaded_settings)
+            print("Settings loaded successfully.")
+        except Exception as e:
+            print(f"Error loading settings {e}")
+            self.save()