Document how to install packages on a new (Linux) system

[niccokunzmann]

Hi,

If people want to use one of the packages, what are the important steps to follow to use nix as a way to distribute the applications?

As a newcomer to Nix, I would like to see something like this:

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<a href="https://ngi-nix.github.io/ngipkgs/install?package=cryptpad">Install Cryptpad with nix </a>

leading to a page

saying:

The latest version is cryptpad-2024.12.0
To install this version on your system:

1. Install Nix on Linux or WSL
2. Enable the flakes experimental feature
3. command ....
4. command ....
5. Run ...

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