update doc and README

DESCRIPTION

 Package: tableExtra
 Title: Draws an awesome table
-Version: 0.99.2
+Version: 0.99.3
 Authors@R: 
     person(given = "Yoann",
            family = "Pradat",

README.md

 # tableExtra
 [![License](https://img.shields.io/badge/License-Apache%202.0-blue.svg)](https://opensource.org/licenses/Apache-2.0)
-[![codecov](https://codecov.io/gh/Durzot/tableExtra/branch/master/graph/badge.svg?token=5MVDZ2NHEI)](https://codecov.io/gh/Durzot/tableExtra)
+[![codecov](https://codecov.io/gh/ypradat/tableExtra/branch/master/graph/badge.svg?token=5MVDZ2NHEI)](https://codecov.io/gh/Durzot/tableExtra)
 
 The goal of tableExtra is to reproduce the figure 3 of the paper PCAWG Mutational Signatures Working Group et al. **The
 repertoire of mutational signatures in human cancer**. *Nature* 2020.