chore: 清理构建产物并更新.gitignore

删除旧的Nuitka构建目录和生成的二进制文件
将build_nuitka/添加到.gitignore中避免误提交

src/utils.py

@@ -0,0 +1,16 @@
+import os
+
+
+def find_edge_path():
+    """
+    [Utils] 自动查找 Edge 浏览器路径，提升用户体验
+    """
+    possible_paths = [
+        r"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe",
+        r"C:\Program Files\Microsoft\Edge\Application\msedge.exe",
+        os.path.expanduser(r"~\AppData\Local\Microsoft\Edge\Application\msedge.exe"),
+    ]
+    for path in possible_paths:
+        if os.path.exists(path):
+            return path
+    return None