Add GUI Support for OpCore Simplify (#512)

* Refactor OpCore-Simplify to GUI version

* New ConfigEditor

* Add requirement checks and installation in launchers

* Add GitHub Actions workflow to generate manifest.json

* Set compression level for asset

* Skip .git and __pycache__ folders

* Refactor update process to include integrity checker

* Add SMBIOS model selection

* Update README.md

* Update to main branch

Scripts/settings.py

@@ -0,0 +1,53 @@
+import os
+from Scripts import utils
+
+
+class Settings:
+    def __init__(self, utils_instance=None):
+        self.u = utils_instance if utils_instance else utils.Utils()
+        self.defaults = {
+            "build_output_directory": "",
+            "include_beta_versions": False,
+            "theme": "Light",
+            "auto_update_check": True,
+            "enable_debug_logging": False,
+        }
+
+        self.settings_file = self._get_settings_file_path()
+        self.settings = self.load_settings()
+
+    def _get_settings_file_path(self):
+        script_dir = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
+        return os.path.join(script_dir, "settings.json")
+
+    def load_settings(self):
+        try:
+            loaded_settings = self.u.read_file(self.settings_file)
+            
+            if loaded_settings is not None:
+                return loaded_settings
+        except Exception as e:
+            print("Error loading settings: {}".format(e))
+
+        return self.defaults.copy()
+
+    def save_settings(self):
+        try:
+            self.u.write_file(self.settings_file, self.settings)
+        except Exception as e:
+            print("Error saving settings: {}".format(e))
+
+    def get(self, key, default=None):
+        return self.settings.get(key, self.defaults.get(key, default))
+
+    def set(self, key, value):
+        self.settings[key] = value
+        self.save_settings()
+
+    def __getattr__(self, name):
+        if name.startswith("get_"):
+            key = name[4:]
+            if key in self.defaults:
+                return lambda: self.get(key)
+
+        raise AttributeError("\"{}\" object has no attribute \"{}\"".format(type(self).__name__, name))