fix: 修复3.1代码检视中的问题

【背景】
3.1 代码检视中有一些问题需要修改

【修改方案】
在README 中添加了文档链接,更改了非可执行文件的权限

【影响】
对现有的产品编译不会有影响。
Signed-off-by: Nyinjiaming <yinjiaming@huawei.com>
Change-Id: I1630e3367b6d95fb8b6e6d5054721c4aa5d83b45

OAT.xml

@@ -13,8 +13,10 @@
      See the License for the specific language governing permissions and
      limitations under the License.
 
-    This is the configuration file template for OpenHarmony OSS Audit Tool, please copy it to your project root dir and modify it refer to OpenHarmony/tools_oat/README.
+-->
 
+<!--This is the configuration file template for OpenHarmony OSS Audit Tool, 
+please copy it to your project root dir and modify it refer to OpenHarmony/tools_oat/README.
 -->
 
 <configuration>