Add June 2024 Newsletter

[sanyatonwu]

Description

Checklist:

• [x] I have previewed changes locally or with CircleCI (runs when PR is created)
• [x] I have completed any content reviews, such as getting input from relevant working groups.

[sanyatonwu]

Preview link https://output.circle-artifacts.com/output/job/0ddc75a4-10ff-46c6-8f74-06a6c9439d5f/artifacts/0/usrse.github.io/2024-06-24-newsletter/index.html

[sanyatonwu]

Ignoring for now.

These two links on the neuroscience ag page aren't working right now:

/github/workspace/pages/ag/neuro-rse.md: ❌️ https://centerforopenneuroscience.org/ ❌️ https://neuro.debian.net/

The CSCCE link is working.

[sanyatonwu]

Final preview: https://output.circle-artifacts.com/output/job/0ab7228f-cebe-4fac-b5d9-f745d3dd2b58/artifacts/0/usrse.github.io/2024-06-24-newsletter/index.html