nim: added modules

wiki/programming_language/nim.md

@@ -8,3 +8,39 @@ language.
 You can install nim using choosenim with
 `curl https://nim-lang.org/choosenim/init.sh -sSf | sh`.
 If you're on an arch-based machine you can also run `yay -S choosenim` (install `yay` if necessary).
+
+## Usage
+
+This section addresses the usage of Nim.
+
+### Use Python Packages
+
+[Python modules](/wiki/programming_language/python.md#modules) can easily be used in Nim using the
+module [nimpy](#nimpy).
+
+## Modules
+
+There are various modules for Nim.
+As package manager `nimble` is used most of the time.
+
+This section addresses various different modules.
+
+### Arraymancer
+
+[Arraymancer](https://github.com/mratsim/Arraymancer) is a tensor library for Nim which can be used
+to run deep learning on CPUs, GPUs and embedded devices.
+
+### nimpy
+
+[nimpy](https://github.com/yglukhov/nimpy) is a [Python](/wiki/programming_language/python.md)
+bridge for the Nim programming languages.
+With it [Python modules](/wiki/programming_language/python.md#modules) can be used easily inside
+Nim.
+
+### SciNim
+
+[SciNim](https://github.com/SciNim) is a collection of modules more than a single one.
+It features various tools for scientific purposes from curve fitting to data visualization.
+
+An overview of it can be achieved on the
+[getting-started repository](https://github.com/SciNim/getting-started/blob/main/book/overview/index.md).