Add missing table of contents and headline anchors

Author: Julian-Schuierer

Documentation/Quickstart/1-Preqrequisites.rst

@@ -13,12 +13,16 @@ We will not explain you how to set up the following prerequisites.
 There are several tutorials for this on the web, and if you follow
 the Quick Start guide, you should know how to do this.
 
+..  contents::
+
+..  _quickstart-prerequisites-operating-system:
 Operating System
 ----------------
 
 A computer running Windows with WSL2, macOS or Linux - connected to
 the Internet.
 
+..  _quickstart-prerequisites-docker:
 Docker
 ------
 
@@ -28,12 +32,14 @@ or an alternative like `OrbStack <https://orbstack.dev/>`__, `Podman <https://po
 do not need to install any `Desktop` variants, but can use their base
 Docker or Podman setup.
 
+..  _quickstart-prerequisites-ddev:
 DDEV
 ----
 
 `DDEV <https://ddev.com>`__ is a layer on top of Docker. How to utilize it is
 covered in this guide.
 
+..  _quickstart-prerequisites-terminal:
 Terminal (Bash)
 ---------------
 
@@ -44,6 +50,7 @@ You are free to use another local shell for your work, but the scripts
 provided by the TYPO3 Core (most importantly `runTests.sh`) require Bash
 to be available.
 
+..  _quickstart-prerequisites-git-client:
 Git client
 ----------
 
@@ -52,13 +59,15 @@ This guide expects you can execute `git` terminal commands.
 This guide uses the *https* method to connect to GitHub, so you do not
 need to have a GitHub account.
 
+..  _quickstart-prerequisites-ssh:
 SSH client plus SSH key(s) and an email account
 -----------------------------------------------
 
 This guide expects you can execute `ssh` terminal commands and connect to
 foreign hosts. You will need a private SSH key pair and know how to authenticate
 with it. You need an email account to setup accounts.
 
+..  _quickstart-prerequisites-ide:
 PHP IDE / Editor
 ----------------