Extended readme

[michbur]

The readme should be built automatically from the Rmd file and include the full funding information, including the Preludium Bis grant (like here) along with the github actions workflow for building the readme. This functions from the readme should be re-used in the About section of the app.

[michbur]

Components:

• HaDeX description
• Authors
• Funding
• Important HaDeX links (links to web server, package, standalone tool)
• Acknowledgements
• Contact

[werpuc]

Gathered info for acknowledgements: https://github.com/michbur/HaDeX-projects/issues/69

I'll prepare drafts for each category and we will discuss the content later.