Update README.md

README.md

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 # cctk
 
+[![PyPI version](https://badge.fury.io/py/cctk.svg)](https://pypi.python.org/pypi/cctk/)
+[![Doc status](https://readthedocs.org/projects/pip/badge/)](https://cctk.rtfd.io)
+[![Downloads](https://img.shields.io/pypi/dm/cctk.svg)](https://pypi.python.org/pypi/cctk/)
+[![Code Quality](https://img.shields.io/lgtm/grade/python/g/ekwan/cctk.svg?logo=lgtm&logoWidth=18)](https://lgtm.com/projects/g/ekwan/cctk/context:python)
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 *a Python-based computational chemistry toolkit*
 
 *cctk* simplifies the computational modeling of organic reactions and small molecule structures by automating routine interactions with quantum chemistry software packages:
@@ -17,10 +22,6 @@ A quick-start guide is [available](https://cctk.readthedocs.io/en/latest/quick-s
 
 ## Installation
 
-[![PyPI version](https://badge.fury.io/py/cctk.svg)](https://badge.fury.io/py/cctk)
-[![Doc status](https://readthedocs.org/projects/pip/badge/)](https://cctk.rtfd.io)
-[![Downloads](https://img.shields.io/pypi/dm/cctk.svg)](https://pypi.python.org/pypi/cctk/)
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 ### First Time
 
 *cctk* is easy to install! It should work on any system where Python works.