DOC: add all the badges

README.md

 # `fsl_add_module`
 
+[![Pipeline status](https://git.fmrib.ox.ac.uk/fsl/fsl_add_module/badges/master/pipeline.svg)](https://git.fmrib.ox.ac.uk/fsl/fsl_add_module/-/commits/master)
 [![Test coverage](https://git.fmrib.ox.ac.uk/fsl/fsl_add_module/badges/master/coverage.svg)](https://git.fmrib.ox.ac.uk/fsl/fsl_add_module/commits/master/)
 
 
+
 `fsl_add_module` is a script which can be used to download FSL "module", or
 "plugin" files. It is installed as a part of FSL 6.0.5 and newer.