docs(readme): update description

Author: thomasleplus

README.md

@@ -1,53 +1,53 @@
 # Markdown
 
-Multi-platform Docker container with utilities to process audiovisual media (`ffmpeg`, `mkvtoolnix`, `mlt`, `flac`, `mp3splt`...).
+Multi-platform Docker container with utilities to process Markdown files (`asciidoc`, `a2x`, `ascidoctor`...). 
 
-[![Dockerfile](https://img.shields.io/badge/GitHub-Dockerfile-blue)](av/Dockerfile)
-[![Docker Build](https://github.com/leplusorg/docker-av/workflows/Docker/badge.svg)](https://github.com/leplusorg/docker-av/actions?query=workflow:"Docker")
-[![Docker Stars](https://img.shields.io/docker/stars/leplusorg/av)](https://hub.docker.com/r/leplusorg/av)
-[![Docker Pulls](https://img.shields.io/docker/pulls/leplusorg/av)](https://hub.docker.com/r/leplusorg/av)
-[![Docker Version](https://img.shields.io/docker/v/leplusorg/av?sort=semver)](https://hub.docker.com/r/leplusorg/av)
+[![Dockerfile](https://img.shields.io/badge/GitHub-Dockerfile-blue)](md/Dockerfile)
+[![Docker Build](https://github.com/leplusorg/docker-md/workflows/Docker/badge.svg)](https://github.com/leplusorg/docker-md/actions?query=workflow:"Docker")
+[![Docker Stars](https://img.shields.io/docker/stars/leplusorg/md)](https://hub.docker.com/r/leplusorg/md)
+[![Docker Pulls](https://img.shields.io/docker/pulls/leplusorg/md)](https://hub.docker.com/r/leplusorg/md)
+[![Docker Version](https://img.shields.io/docker/v/leplusorg/md?sort=semver)](https://hub.docker.com/r/leplusorg/md)
 [![CII Best Practices](https://bestpractices.coreinfrastructure.org/projects/10081/badge)](https://bestpractices.coreinfrastructure.org/projects/10081)
-[![OpenSSF Scorecard](https://api.securityscorecards.dev/projects/github.com/leplusorg/docker-av/badge)](https://securityscorecards.dev/viewer/?uri=github.com/leplusorg/docker-av)
+[![OpenSSF Scorecard](https://api.securityscorecards.dev/projects/github.com/leplusorg/docker-md/badge)](https://securityscorecards.dev/viewer/?uri=github.com/leplusorg/docker-md)
 
 ## Example without using the filesystem
 
-Let's say that you have a MP3 `foo.mp3` in your current working directory that you want to extract its metadata:
+Let's say that you want to convert an Markdown file intput.md in your current working directory to HTML:
 
 **Mac/Linux**
 
 ```bash
-cat foo.mp3 | docker run --rm -i --net=none leplusorg/av ffprobe -v error -show_streams -
+cat intput.md | docker run --rm -i --net=none leplusorg/md asciidoc -o - > output.html
 ```
 
 **Windows**
 
 ```batch
-type foo.mp3 | docker run --rm -i --net=none leplusorg/av ffprobe -v error -show_streams -
+type intput.md | docker run --rm -i --net=none leplusorg/md asciidoc -o - > output.html
 ```
 
 ## Example using the filesystem
 
-Same thing, assuming that you have a MP3 `foo.mp3` in your current working directory that you want to extract its metadata:
+Same thing, assuming that you want to convert an Markdown file intput.md in your current working directory to HTML:
 
 **Mac/Linux**
 
 ```bash
-docker run --rm -t --user="$(id -u):$(id -g)" --net=none -v "$(pwd):/tmp" leplusorg/av ffprobe -v error -show_streams /tmp/foo.mp3
+docker run --rm -t --user="$(id -u):$(id -g)" --net=none -v "$(pwd):/tmp" leplusorg/md asciidoc -o output.html intput.md
 ```
 
 **Windows**
 
 In `cmd`:
 
 ```batch
-docker run --rm -t --net=none -v "%cd%:/tmp" leplusorg/av ffprobe -v error -show_streams /tmp/foo.mp3
+docker run --rm -t --net=none -v "%cd%:/tmp" leplusorg/md asciidoc -o output.html intput.md
 ```
 
 In PowerShell:
 
 ```pwsh
-docker run --rm -t --net=none -v "${PWD}:/tmp" leplusorg/av ffprobe -v error -show_streams /tmp/foo.mp3
+docker run --rm -t --net=none -v "${PWD}:/tmp" leplusorg/md asciidoc -o output.html intput.md
 ```
 
 ## Software Bill of Materials (SBOM)
@@ -56,7 +56,7 @@ To get the SBOM for the latest image (in SPDX JSON format), use the
 following command:
 
 ```bash
-docker buildx imagetools inspect leplusorg/av --format '{{ json (index .SBOM "linux/amd64").SPDX }}'
+docker buildx imagetools inspect leplusorg/md --format '{{ json (index .SBOM "linux/amd64").SPDX }}'
 ```
 
 Replace `linux/amd64` by the desired platform (`linux/amd64`, `linux/arm64` etc.).
@@ -65,17 +65,17 @@ Replace `linux/amd64` by the desired platform (`linux/amd64`, `linux/arm64` etc.
 
 [Sigstore](https://docs.sigstore.dev) is trying to improve supply
 chain security by allowing you to verify the origin of an
-artifcat. You can verify that the jar that you use was actually
+artifcat. You can verify that the image that you use was actually
 produced by this repository. This means that if you verify the
-signature of the ristretto jar, you can trust the integrity of the
+signature of the Docker image, you can trust the integrity of the
 whole supply chain from code source, to CI/CD build, to distribution
-on Maven Central or whever you got the jar from.
+on Maven Central or whever you got the image from.
 
 You can use the following command to verify the latest image using its
 sigstore signature attestation:
 
 ```bash
-cosign verify leplusorg/av --certificate-identity-regexp 'https://github\.com/leplusorg/docker-av/\.github/workflows/.+' --certificate-oidc-issuer 'https://token.actions.githubusercontent.com'
+cosign verify leplusorg/md --certificate-identity-regexp 'https://github\.com/leplusorg/docker-md/\.github/workflows/.+' --certificate-oidc-issuer 'https://token.actions.githubusercontent.com'
 ```
 
 The output should look something like this:
@@ -94,4 +94,4 @@ For instructions on how to install `cosign`, please read this [documentation](ht
 
 ## Request new tool
 
-Please use [this link](https://github.com/leplusorg/docker-av/issues/new?assignees=thomasleplus&labels=enhancement&template=feature_request.md&title=%5BFEAT%5D) (GitHub account required) to request that a new tool be added to the image. I am always interested in adding new capabilities to these images.
+Please use [this link](https://github.com/leplusorg/docker-md/issues/new?assignees=thomasleplus&labels=enhancement&template=feature_request.md&title=%5BFEAT%5D) (GitHub account required) to request that a new tool be added to the image. I am always interested in adding new capabilities to these images.