[REPO] Add plugin inventree-zapier (#116)

* [REPO] Add plugin inventree-zapier

* Update ref

---------

Co-authored-by: matmair <matmair@users.noreply.github.com>
Co-authored-by: Matthias Mair <code@mjmair.com>

_repo/inventree-zapier.md

@@ -0,0 +1,54 @@
+---
+name: inventree-zapier
+author: matmair
+license: MIT
+open_source: true
+stable: False
+maintained: true
+pypi: true
+package_name: inventree-zapier
+github: https://github.com/matmair/inventree-zapier
+gitlab:
+source:
+issue_tracker: https://github.com/matmair/inventree-zapier/issues
+website: https://mjmair.com
+categories: Event
+tags: Zapier
+---
+Integrate Zapier into InvenTree
+
+## Setup
+
+1. Install
+Install this plugin as follows **in the enviroment of your InvenTree instance**:
+
+```bash
+pip install inventree-zapier
+```
+
+Or, add to your `plugins.txt` file:
+
+```txt
+inventree-zapier
+```
+
+2. Enable
+Enable the plugin in the plugin settings. You need to be signed in as a superuser for this.
+**The server will erstart if you enable the plugin**
+
+3. Migrate
+Access your instances python enviroment and run
+
+```bash
+inv migrate
+```
+
+4. Configure
+Create an API-token in the admin interface and add set up the zapier integration in Zapier.com itself.
+
+## License
+This project is licensed as MIT. Copy and do what you want - maybe tag your new plugin so others can find it. The more the merrier.
+
+## State of the Code
+This is currently a PoC / 'beta' - at least till the Zapier App is published. Please feel free to file FRs, issues or just ideas.
+