feat: add config.py for persistent settings

config.py

@@ -0,0 +1,37 @@
+import json
+import os
+
+CONFIG_FILE = "config.json"
+
+class Config:
+    def __init__(self):
+        self.data = {
+            "repository_path": ""
+        }
+        self.load()
+
+    def load(self):
+        if os.path.exists(CONFIG_FILE):
+            try:
+                with open(CONFIG_FILE, "r") as f:
+                    self.data = json.load(f)
+            except Exception as e:
+                print(f"Error loading config: {e}")
+
+    def save(self):
+        try:
+            with open(CONFIG_FILE, "w") as f:
+                json.dump(self.data, f, indent=4)
+        except Exception as e:
+            print(f"Error saving config: {e}")
+
+    @property
+    def repository_path(self):
+        return self.data.get("repository_path", "")
+
+    @repository_path.setter
+    def repository_path(self, value):
+        self.data["repository_path"] = value
+        self.save()
+
+config = Config()