* docs: Add Oracle Cloud (OCI) platform guide
- Add comprehensive guide for Oracle Cloud Always Free tier (ARM)
- Cover VCN security, Tailscale Serve setup, and why traditional hardening is unnecessary
- Update vps.md to list Oracle as top provider option
- Update digitalocean.md to link to official Oracle guide instead of community gist
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
* Keep community gist link, remove unzip
* Fix step order: lock down VCN after Tailscale is running
* Move VCN lockdown to final step (after verifying everything works)
* docs: make Oracle/Tailscale guide safer + tone down DO copy
* docs: fix Oracle guide step numbering
* docs: tone down VPS hub Oracle blurb
* docs: add Oracle Cloud guide (#2333) (thanks @hirefrank)
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Co-authored-by: Claude Opus 4.5 <noreply@anthropic.com>
Co-authored-by: Pocket Clawd <pocket@Pockets-Mac-mini.local>
