docs: add dependency diagram

README.md

@@ -23,10 +23,10 @@
 LocalSend is a free, open-source app that allows you to securely share files and messages with nearby devices over your local network without needing an internet connection.
 
 - [About](#about)
-- [Sponsors](#sponsors)
 - [Screenshots](#screenshots)
 - [Download](#download)
 - [How It Works](#how-it-works)
+- [Dependency Hierarchy](#dependency-hierarchy)
 - [Getting Started](#getting-started)
 - [Contributing](#contributing)
   - [Translation](#translation)
@@ -43,14 +43,6 @@ LocalSend is a free, open-source app that allows you to securely share files and
 
 LocalSend is a cross-platform app that enables secure communication between devices using a REST API and HTTPS encryption. Unlike other messaging apps that rely on external servers, LocalSend doesn't require an internet connection or third-party servers, making it a fast and reliable solution for local communication.
 
-## Sponsors
-
-Browser testing via
-
-<a href="https://www.testmuai.com/?utm_medium=sponsor&utm_source=localsend" target="_blank">
-    <img src="https://localsend.org/img/sponsors/tesmu.svg" style="vertical-align: middle;" width="250" height="45" />
-</a>
-
 ## Screenshots
 
 <img src="https://localsend.org/img/screenshot-iphone.webp" alt="iPhone screenshot" height="300"/> <img src="https://localsend.org/img/screenshot-pc.webp" alt="PC screenshot" height="300"/>
@@ -136,6 +128,10 @@ LocalSend uses a secure communication protocol that allows devices to communicat
 
 For more information on the LocalSend Protocol, see the [documentation](https://github.com/localsend/protocol).
 
+## Dependency Hierarchy
+
+![Dependency hierarchy](support/docs/dependency-hierarchy.svg)
+
 ## Getting Started
 
 To compile LocalSend from the source code, follow these steps: