Improve the documentation for LaSuite Docs

src/content/docs/Services/docs.mdx

@@ -2,13 +2,30 @@
 title: LaSuite Docs
 ---
 
-LaSuite Docs is a free and open source alternative to Google Docs, designed for seamless real-time collaboration. You can find it hosted at https://docs.federated.nexus.
+[LaSuite Docs](https://github.com/suitenumerique/docs) is a free and open-source document editor, designed for seamless real-time collaboration. Federated Nexus provides a hosted instance at https://docs.federated.nexus.
+
+## Logging in
+
+On the logged out homepage, press the "Start Writing" button to log in and enter the credentials for your Federated Nexus account.
+
+You should then be greeted by the logged in homepage, which shows both documents you have created and documents that have been shared with you:
 
-You have a homepage with your documents, and documents that are shared with you:
 ![A home page listing your documents and documents that are shared with you](../../../images/docs/home.png)
 
-And of course, the actual editor, where you can compose documents in a GUI similar to Google Docs, and export as DocX or PDF.
+## Creating a document
+
+Select a document to open it, or press the "New Doc" button in the top left corner to create a new document.
+
+The document editor has support for Markdown, as well as images:
+
 ![An editor with some text and images, showing options to download, share, and swap to another document](../../../images/docs/editor.png)
 
-You can also add subdocuments!
+To add an image, either drag and drop it or paste it onto the document.
+
+## Creating subdocuments
+
+LaSuite Docs supports creating subdocuments. To create a subdocument, hover over the document on the sidebar and press the plus button.
+
+You should then see the subdocument appear below it:
+
 ![A screenshot showing nested documents](../../../images/docs/subdocument.png)