[REPO] Add plugin inventree-niimbot-plugin (#215)

* [REPO] Add plugin inventree-niimbot-plugin

* Update inventree-niimbot-plugin.md

added package to PyPi

---------

Co-authored-by: piramja <piramja@honeymelon>

_publishers/piramja.md

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+---
+short_name: piramja
+name: Martin P.
+github: piramja
+website: https://www.piramja.de/
+---
+And in the end, we have no choice but to embrace the chaos and laugh about it.

_repo/inventree-niimbot-plugin.md

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+---
+name: inventree-niimbot-plugin
+author: piramja
+license: MIT
+open_source: true
+stable: true
+maintained: true
+pypi: true
+package_name: inventree-niimbot-plugin
+github: https://github.com/piramja/inventree-niimbot-plugin
+issue_tracker: https://github.com/piramja/inventree-niimbot-plugin/issues
+categories:
+    - Label
+tags:
+    - Niimbot
+    - Printer
+    - Label
+---
+
+## Introduction
+A label printing plugin for [InvenTree](https://inventree.org), which provides support for the [Niimbot Label Printers](https://www.niimbot.com/enweb/product_label.html?category_id=6). This plugin is based on the amazing work from [labbots/NiimPrintX](https://github.com/labbots/NiimPrintX/tree/main) and modifications from [LorisPolenz/NiimPrintX](https://github.com/LorisPolenz/NiimPrintX/tree/main).
+
+## Installation
+
+Install this plugin manually as follows:
+
+```
+pip install inventree-niimbot-plugin
+```
+
+Or, add to your `plugins.txt` file to install automatically using the `invoke install` command:
+
+```
+inventree-niimbot-plugin
+```
+
+## Configuration Options
+The following list gives an overview of the available settings. You find them under the InvenTree plugin specific settings.
+
+* **Printer Model**
+Currently supported models are: 
+b1, b18, b21, d11, d110 (but i was only able to test b1 because i don't have other printer models. Please report back if you can test other models!!).
+
+* **Density**
+The print density. Different models seem to accept only certain values (b1 accepts 1-3).
+
+* **Rotation**
+Rotation angle, either 0, 90, 180 or 270 degrees.
+
+* **Scaling**
+Scaling factor, from 10% to 200%.
+
+* **Vertical Offset**
+Vertical offset, from 0 to 200px.
+
+* **Horizontal Offset**
+Horizontal offset, from 0 to 200px.