integrations: add Nextcloud (#4233)

Signed-off-by: Adam Monsen <[email protected]>

Author: meonkeys

docs/content/docs/integrations.md

@@ -30,5 +30,6 @@ The list below is a list of software that integrates with LocalAI.
 - [Midori AI Subsystem Manager](https://io.midori-ai.xyz/subsystem/manager/) is a powerful docker subsystem for running all types of AI programs
 - [LLPhant](https://github.com/theodo-group/LLPhant) is a PHP library for interacting with LLMs and Vector Databases
 - [GPTLocalhost (Word Add-in)](https://gptlocalhost.com/demo#LocalAI) - run LocalAI in Microsoft Word locally
+- use LocalAI from Nextcloud with the [integration plugin](https://apps.nextcloud.com/apps/integration_openai) and [AI assistant](https://apps.nextcloud.com/apps/assistant)
 
 Feel free to open up a Pull request (by clicking at the "Edit page" below) to get a page for your project made or if you see a error on one of the pages!