Previously, the functions in article_location.rs where returning generic
anyhow::Result.
In order to ease error handling when using the library, it have been
moved to specific errors.
An image to run crieur-chatbot have been added.
The crieur-chatbot matrix-sdk dependency have been edited in order to
use rustls instead of native tsl library.
A builder for mediapart have been added. No generic builder have been
created as there is no usecase yet.
Some documentation have been added, roadmap and scope have been
clarified and chatbot have been lightly documented.
A basic chabot application that downloads article from one newspaper
have been added.
It can download html pages and is called with !hmtl
ArticleLocation have been refactored to own it's internal data.
