add docker.io to FROM directive

Dockerfile

-FROM python:3.10-slim-bullseye
+FROM docker.io/python:3.10-slim-bullseye
 
 RUN apt-get update -qq && apt-get install -y -qq \
     git \

Readme.md

@@ -2,19 +2,15 @@
 
 # Introduction
 
-`cgetools` is s docker container with an installation of several 
-[CGE]([https://bitbucket.org/genomicepidemiology/]) softwares and associated 
-databases (mlst,plasmidfinder,resfinder).
-
+`fatools` is s docker container with several command to handle FASTA files.
 
 
 # Usage
 
 To use the tool, you need to mount the working directory on `/cwd`. Example:
 ```bash
-docker run --rm -v .:/cwd registry.gitlab.unige.ch/amr-genomics/cgetools plasmidfinder.py
-docker run --rm -v .:/cwd registry.gitlab.unige.ch/amr-genomics/cgetools mlst.py
-docker run --rm -v .:/cwd registry.gitlab.unige.ch/amr-genomics/cgetools python3 -m resfinder
+docker run --rm -v .:/cwd registry.gitlab.unige.ch/amr-genomics/fatools fa_reheader
+docker run --rm -v .:/cwd registry.gitlab.unige.ch/amr-genomics/fatools fa_rotate
 ```
 
 
@@ -22,7 +18,7 @@ docker run --rm -v .:/cwd registry.gitlab.unige.ch/amr-genomics/cgetools python3
 
 To build the container, run:
 ```bash
-docker build --platform linux/amd64 -t registry.gitlab.unige.ch/amr-genomics/cgetools ./
+docker build --platform linux/amd64 -t registry.gitlab.unige.ch/amr-genomics/fatools ./
 ```