@GetMapping("/{id}")
    @RequiresPermissions("system:plugin:edit")
    public ShenyuAdminResult detailPlugin(@PathVariable("id")
                                          @Existed(message = "plugin is not existed",
                                                  provider = PluginMapper.class) final String id) {
        PluginVO pluginVO = pluginService.findById(id);
        return ShenyuAdminResult.success(ShenyuResultMessage.DETAIL_SUCCESS, pluginVO);
    }
detail plugin.

@param id plugin id.
@return {@linkplain ShenyuAdminResult}
shenyu-admin/src/main/java/org/apache/shenyu/admin/controller/PluginController.java