just md linting

.vscode/extensions.json

@@ -1,5 +1,6 @@
 {
     "recommendations": [
-        "github.vscode-github-actions"
+        "github.vscode-github-actions",
+        "davidanson.vscode-markdownlint"
     ]
 }

README.md

@@ -7,13 +7,16 @@ No Flash, No Java, No Websocket, No Bullshit.
 This is a very lightweight speed test implemented in Javascript, using XMLHttpRequest and Web Workers.
 
 ## Try it
+
 [Take a speed test](https://librespeed.org)
 
 ## Compatibility
+
 All modern browsers are supported: IE11, latest Edge, latest Chrome, latest Firefox, latest Safari.
 Works with mobile versions too.
 
 ## Features
+
 * Download
 * Upload
 * Ping
@@ -25,14 +28,15 @@ Works with mobile versions too.
 
 ![Screenrecording of a running Speedtest](https://speedtest.fdossena.com/mpot_v6.gif)
 
-
 ## Server requirements
+
 * A reasonably fast web server with Apache 2 (nginx, IIS also supported)
 * PHP 5.4 or newer (other backends also available)
 * MySQL database to store test results (optional, Microsoft SQL Server, PostgreSQL and SQLite also supported)
 * A fast! internet connection
 
 ## Installation
+
 Assuming you have PHP and a web server installed, the installation steps are quite simple.
 
 1. Download the source code and extract it
@@ -42,32 +46,42 @@ Assuming you have PHP and a web server installed, the installation steps are qui
 6. Visit YOURSITE/speedtest/index.html and voila!
 
 ### Installation Video
+
 There is a more in-depth installation video here:
+
 * [Quick start installation guide for Ubuntu Server 19.04](https://fdossena.com/?p=speedtest/quickstart_v5_ubuntu.frag)
 
 ## Android app
+
 A template to build an Android client for your LibreSpeed installation is available [here](https://github.com/librespeed/speedtest-android).
 
 ## CLI client
+
 A command line client is available [here](https://github.com/librespeed/speedtest-cli).
 
 ## Docker
+
 A docker image is available on [GitHub](https://github.com/librespeed/speedtest/pkgs/container/speedtest), check our [docker documentation](doc_docker.md) for more info about it.
 
 ## Go backend
+
 A Go implementation is available in the [`speedtest-go`](https://github.com/librespeed/speedtest-go) repo, maintained by [Maddie Zhan](https://github.com/maddie).
 
 ## Rust backend
+
 A Rust implementation is available in the [`speedtest-rust`](https://github.com/librespeed/speedtest-rust) repo, maintained by [Sudo Dios](https://github.com/sudodios).
 
 ## Node.js backend
+
 A partial Node.js implementation is available in the `node` branch, developed by [dunklesToast](https://github.com/dunklesToast). It's not recommended to use at the moment.
 
 ## Donate
+
 [![Donate with Liberapay](https://liberapay.com/assets/widgets/donate.svg)](https://liberapay.com/fdossena/donate)
 [Donate with PayPal](https://www.paypal.me/sineisochronic)
 
 ## License
+
 Copyright (C) 2016-2024 Federico Dossena
 
 This program is free software: you can redistribute it and/or modify