Update README.md

Author: shenxianpeng

README.md

@@ -1,6 +1,5 @@
 # clang-tools
-
-[![codecov](https://codecov.io/gh/shenxianpeng/clang-tools-pip/branch/master/graph/badge.svg?token=40G5ZOIRRR)](https://codecov.io/gh/shenxianpeng/clang-tools-pip) [![Python application](https://github.com/shenxianpeng/clang-tools-pip/actions/workflows/python-test.yml/badge.svg)](https://github.com/shenxianpeng/clang-tools-pip/actions/workflows/python-test.yml)
+[![PyPI](https://img.shields.io/pypi/v/clang-tools)](https://pypi.org/project/clang-tools/)[![Python test](https://github.com/shenxianpeng/clang-tools-pip/actions/workflows/python-test.yml/badge.svg)](https://github.com/shenxianpeng/clang-tools-pip/actions/workflows/python-test.yml)[![codecov](https://codecov.io/gh/shenxianpeng/clang-tools-pip/branch/master/graph/badge.svg?token=40G5ZOIRRR)](https://codecov.io/gh/shenxianpeng/clang-tools-pip) 
 
 Install clang-tools (clang-format, clang-tidy) with pip.
 
@@ -9,13 +8,13 @@ Install clang-tools (clang-format, clang-tidy) with pip.
 ### Install `clang-tools` with pip
 
 ```bash
-sudo pip install clang-tools
+$ sudo pip install clang-tools
 ```
 
 ### Usage
 
 ```bash
-sudo clang-tools --help
+$ sudo clang-tools --help
 usage: clang-tools [-h] [-i INSTALL]
 
 optional arguments:
@@ -26,9 +25,15 @@ optional arguments:
 For example 
 
 ```bash
-sudo clang-tools --install 13
-```
+$ sudo clang-tools --install 13
 
-## TODO
+$ clang-format-13 --version
+clang-format version 13.0.0
 
-* Modidy `clang-tools` command parameter
+$ clang-tidy-13 --version
+LLVM (http://llvm.org/):
+  LLVM version 13.0.0
+  Optimized build.
+  Default target: x86_64-unknown-linux-gnu
+  Host CPU: skylake
+```