V3X 0.6.0

Install (Windows, no admin): close Victoria 3, open PowerShell and run
irm https://v3extender.pages.dev/install.ps1 | iex
or download and run V3X-Setup.exe. Player guide: https://github.com/kleeedolinux/v3x/blob/v0.6.0/docs/install.md
Verifiable two-step install instead of the one-liner: download install.ps1 of this release, check
(Get-FileHash .\install.ps1).Hash is dbac0ae3ceeeed1ea806e2cb6186e4098aa05f432feecb5e77c4d4930898f054 (the install.ps1 entry of the signed compat.json), then run
$env:V3X_VERSION='v0.6.0'; powershell -ExecutionPolicy Bypass -File .\install.ps1.
compat.json is signed (compat.json.sig, Ed25519; install.ps1 and the in-game updater check it); plugins.json
(official plugin list, signed: plugins.json.sig) is inside the setup and the zip.
Provenance: gh attestation verify V3X-Setup.exe --repo kleeedolinux/v3x. Single player only.

Full Changelog: v0.5.0...v0.6.0