add Data Access tutorial and avoid installing QT

[ocefpaf]

@abkfenris do you mind taking a look?

[abkfenris]

I think the lockfile hasn't been updated. Try running pixi lock.

And despite I'm not able to push to your branch at the moment.

[ocefpaf]

I think the lockfile hasn't been updated. Try running pixi lock.

I thought the CIs would do that. Hold on...

[abkfenris]

I think the lockfile hasn't been updated. Try running pixi lock.

I thought the CIs would do that. Hold on...

This ain't no conda-forge with all of your fancy robots.

I'm just glad that it caught that the lockfile was out of sync.

[abkfenris]

I always forget changing matplotlib to avoid QT. That made for a nice drop in image size.

❯ docker scout diff --to ghcr.io/oceanhackweek/python:b7a9caa ghcr.io/oceanhackweek/python:31385f0
    i New version 1.18.3 available (installed version is 1.18.2) at https://github.com/docker/scout-cli
    ! 'docker scout compare' is experimental and its behaviour might change in the future
    ✓ Pulled
    ✓ Image stored for indexing
    ✓ Indexed 663 packages
    ✓ Pulled
    ✓ Image stored for indexing
    ✓ Indexed 766 packages
  
  
  ## Overview
  
                      │               Analyzed Image               │              Comparison Image               
  ────────────────────┼────────────────────────────────────────────┼─────────────────────────────────────────────
    Target            │  ghcr.io/oceanhackweek/python:31385f0      │  ghcr.io/oceanhackweek/python:b7a9caa       
      digest          │  ac53fb0df299                              │  e5d9656714d4                               
      tag             │  31385f0                                   │  b7a9caa                                    
      platform        │ linux/amd64                                │ linux/amd64                                 
      provenance      │ https://github.com/prefix-dev/pixi-docker  │ https://github.com/prefix-dev/pixi-docker   
                      │  4b9d2ea1adc05406244fa2c4a24a9294980db87b  │  4b9d2ea1adc05406244fa2c4a24a9294980db87b   
      vulnerabilities │    5C     8H    18M    15L     1?          │    5C     8H    18M    15L     1?           
                      │                                            │                                             
      size            │ 898 MB (-230 MB)                           │ 1.1 GB                                      
      packages        │ 663 (-103)                                 │ 766                                         
                      │                                            │                                             
    Base image        │  ubuntu:22.04                              │  ubuntu:22.04                               
      tags            │ also known as                              │ also known as                               
                      │   • jammy                                  │   • jammy                                   
                      │   • jammy-20250730                         │   • jammy-20250730                          
      vulnerabilities │    0C     0H     2M    13L                 │    0C     0H     2M    13L