feat(installer): 添加Inno Setup安装脚本并调整对话框按钮尺寸

- 新增dist/installer.iss用于生成Windows安装程序
- 将自定义输入对话框的按钮尺寸从80x25调整为100x32以改善视觉效果
- 删除不再使用的path_list.txt文件

src/callbacks.c

@@ -92,12 +92,11 @@ int custom_input_dialog(const char *title, const char *label_text, char *buffer,
 
     Ihandle *btn_ok = IupButton("确定", NULL);
     IupSetCallback(btn_ok, "ACTION", on_dialog_ok);
-    IupSetAttribute(btn_ok, "RASTERSIZE", "80x25");
-    // 设置为默认按钮
+    IupSetAttribute(btn_ok, "RASTERSIZE", "100x32");
 
     Ihandle *btn_cancel = IupButton("取消", NULL);
     IupSetCallback(btn_cancel, "ACTION", on_dialog_cancel);
-    IupSetAttribute(btn_cancel, "RASTERSIZE", "80x25");
+    IupSetAttribute(btn_cancel, "RASTERSIZE", "100x32");
 
     Ihandle *vbox = IupVbox(
         IupLabel(label_text),