Added saving and filling buttons from file.

TODO: Fix too long names and add functionality that removes buttons that are removed from list

modules/padslist/padslist.py

@@ -0,0 +1,43 @@
+from modules.padslist.model import PadsModel
+import json
+import os
+
+
+class Pads:
+    @staticmethod
+    def default():
+        return {
+            "first_pads": dict(),
+            "second_pads": dict()
+        }
+
+    @staticmethod
+    def fix() -> None:
+        try:
+            with open("data/config.pads", "w") as file:
+                json.dump(Pads.default(), file)
+        except FileNotFoundError:
+            if not os.path.exists('data'):
+                os.mkdir('data')
+            Pads.fix()
+
+    @staticmethod
+    def get() -> PadsModel:
+        try:
+            with open("data/config.pads", "r") as file:
+                return PadsModel.from_dict(json.load(file))
+        except:
+            Pads.fix()
+            return Pads.get()
+
+    @staticmethod
+    def update(key: str, value: str | None) -> dict:
+        with open("data/config.pads", "r") as file:
+            settings = json.load(file)
+
+        settings[key] = value
+
+        with open("data/config.pads", "w") as file:
+            json.dump(settings, file)
+
+        return settings