Update ohw23 projects list, project members & Australian presentations

[emiliom]

• Links to project presentation recordings from Australia group
• Add missing project members for all projects, based on names listed at the start of each recording (or a github repo, for one Australia project that didn't have a recording)
• Remove the Indonesia project that apparently never happened

[netlify[bot]]

✅ Deploy Preview for oceanhackweek-preview ready!

Name	Link
🔨 Latest commit	4477bc4ce326a37c81476da1038469e3602a3f1a
🔍 Latest deploy log	https://app.netlify.com/sites/oceanhackweek-preview/deploys/64fa8d84d6e7a400085966ab
😎 Deploy Preview	https://deploy-preview-303--oceanhackweek-preview.netlify.app/ohw23/projects/projects_thisyear
📱 Preview on mobile	Toggle QR Code... Use your smartphone camera to open QR code link.

---

To edit notification comments on pull requests, go to your Netlify site configuration.