docs: Update README.md

Author: NGPixel

docker/README.md

@@ -1,5 +1,18 @@
 # Datatracker Development in Docker
 
+- [Getting started](#getting-started)
+- [Using Visual Studio Code](#using-visual-studio-code)
+    - [Initial Setup](#initial-setup)
+    - [Subsequent Launch](#subsequent-launch)
+    - [Usage](#usage)
+- [Using Other Editors / Generic](#using-other-editors--generic)
+    - [Exit Environment](#exit-environment)
+    - [Accessing PostgreSQL Port](#accessing-postgresql-port)
+- [Clean and Rebuild DB from latest image](#clean-and-rebuild-db-from-latest-image)
+- [Clean all](#clean-all)
+- [Updating an older environment](#updating-an-older-environment)
+- [Notes / Troubleshooting](#notes--troubleshooting)
+
 ## Getting started
 
 1. [Set up Docker](https://docs.docker.com/get-started/) on your preferred platform. On Windows, it is highly recommended to use the [WSL 2 *(Windows Subsystem for Linux)*](https://docs.docker.com/desktop/windows/wsl/) backend.
@@ -123,7 +136,14 @@ docker compose down
 
 to terminate the containers.
 
-### Clean and Rebuild DB from latest image
+### Accessing PostgreSQL Port
+
+The port is exposed but not automatically mapped to `5432` to avoid potential conflicts with the host. To get the mapped port, run the command *(from the project `/docker` directory)*:
+```sh
+docker compose port db 5432
+```
+
+## Clean and Rebuild DB from latest image
 
 To delete the active DB container, its volume and get the latest image / DB dump, simply run the following command:
 
@@ -141,7 +161,7 @@ docker compose pull db
 docker compose build --no-cache db
 ```
 
-### Clean all
+## Clean all
 
 To delete all containers for this project, its associated images and purge any remaining dangling images, simply run the following command:
 
@@ -158,7 +178,7 @@ docker compose down -v --rmi all
 docker image prune
 ```
 
-### Updating an older environment
+## Updating an older environment
 
 If you already have a clone, such as from a previous codesprint, and are updating that clone, before starting the datatracker from the updated image:
 1. `rm ietf/settings_local.py` *(The startup script will put a new one, appropriate to the current release, in place)*
@@ -173,13 +193,6 @@ If the dev environment fails to start, even after running the [Clean all](#clean
 docker system prune -a --volumes
 ```
 
-### Accessing PostgreSQL Port
-
-The port is exposed but not automatically mapped to `5432` to avoid potential conflicts with the host. To get the mapped port, run the command *(from the project `/docker` directory)*:
-```sh
-docker compose port db 5432
-```
-
 ## Notes / Troubleshooting
 
 ### Slow zsh prompt inside Docker