Fix URL

README.md

@@ -12,7 +12,7 @@
 
 💡 Get the latest version from our [releases page](https://github.com/pierr3/TrackAudio/releases). Beta builds are available but may be unstable. Found an issue? [Report it](https://github.com/pierr3/TrackAudio/issues/new)!
 
-![screengrab of application](https://i.barlw.uk/s/app_screenshot_jan2025-Photoroom.png)
+![screengrab of application](https://raw.githubusercontent.com/pierr3/TrackAudio/main/docs/app_screenshot_feb2025.png)
 
 ## Key Features
 
@@ -26,6 +26,8 @@
 
 ## Table of Contents
 
+- [Key Features](#key-features)
+- [Table of Contents](#table-of-contents)
 - [FAQ](#faq)
   - [What's the difference between VectorAudio and TrackAudio?](#whats-the-difference-between-vectoraudio-and-trackaudio)
   - [Why does the audio sound different compared to the older AFV for Windows client?](#why-does-the-audio-sound-different-compared-to-the-older-afv-for-windows-client)
@@ -44,7 +46,15 @@
   - [How to enable verbose logging (advanced)](#how-to-enable-verbose-logging-advanced)
   - [I have an issue with TrackAudio](#i-have-an-issue-with-trackaudio)
 - [Installation](#installation)
+  - [Linux](#linux)
+    - [Archlinux](#archlinux)
+    - [Debian](#debian)
+  - [macOS](#macos)
+  - [Windows](#windows)
 - [Build](#build)
+  - [Dependencies](#dependencies)
+- [Build process](#build-process)
+- [Packaging](#packaging)
 - [Contributing](#contributing)
 
 ## FAQ