Update Teedy - Demo and Language

Added demo link
Added docker to language tag - see [here](https://github.com/sismics/docs#install-with-docker)

README.md

@@ -748,7 +748,7 @@ A [document management system](https://en.wikipedia.org/wiki/Document_management
 - [Paperless-ngx](https://github.com/paperless-ngx/paperless-ngx) - A fork of paperless, adding a new interface and many other changes under the hood. Scan, index, and archive all of your paper documents. ([Demo](https://demo.paperless-ngx.com/)) `GPL-3.0` `Python`
 - [Papermerge](https://www.papermerge.com) - Open Source Document Management System focused on scanned documents (electronic archives). Features file browsing in similar way to dropbox/google drive. OCR, full text search, text overlay/selection. ([Source Code](https://github.com/ciur/papermerge)) `Apache-2.0` `Python`
 - [paper{s}pace](https://dedicatedcode.com/projects.html) - Small web application to manage all your offline documents. Provides a searchable storage for your documents and reminds you of upcoming tasks. ([Source Code](https://gitlab.com/dedicatedcode/paperspace)) `MIT` `Java`
-- [Teedy](https://teedy.io/) - Lightweight document management system packed with all the features you can expect from big expensive solutions (Ex SismicsDocs). ([Source Code](https://github.com/sismics/docs)) `GPL-2.0` `Java`
+- [Teedy](https://teedy.io/) - Lightweight document management system packed with all the features you can expect from big expensive solutions (Ex SismicsDocs). ([Demo](https://demo.teedy.io/), [Source Code](https://github.com/sismics/docs)) `GPL-2.0` `Docker/Java`
 
 
 ### Document Management - E-books