Update README.md

Corrects GitHub clone with https

Author: samhorsfield96

README.md

@@ -22,7 +22,7 @@ A pipeline written in Snakemake to automatically generate pangenomes from metage
 Install the required packages using [conda](https://conda.io/projects/conda/en/latest/user-guide/install/index.html)/[mamba](https://github.com/mamba-org/mamba):
 
 ```
-git clone git@github.com:bacpop/CELEBRIMBOR.git
+git clone https://github.com/bacpop/CELEBRIMBOR.git
 cd CELEBRIMBOR
 mamba env create -f environment.yml
 mamba activate celebrimbor