Baixar SageThumbs 2K 3.0.2 per a Windows

## What's changed

- **The Licence page says which licence you have.** With a business key active it now reads
"Business licence" at the top, names the key, and says the licence is active; on a Personal
install without one it reads "Personal licence". Previously a Personal install that redeemed a
business key still said "installed for personal use" beside a green "licence is active".
Redeeming a key now answers with a pop-up, "Your business licence is active", or a clear
warning when the key is refused or the licence service cannot be reached.

- **A revoked licence shows as revoked straight away.** When the licence holder takes a
computer's seat back, Check now says so and the page shows the revocation, instead of reading
"active" for up to a week or, on a Personal install, hiding it behind "no licence needed".

- Licensed installations now see when their updates window ends, and can renew for another
12 months from Settings > Licence.

- **HDR AVIF thumbnails no longer come out blown out**
([#39](https://github.com/LunarWerxs/SageThumbs-2k/issues/39)). An AVIF whose base image is
HDR (PQ transfer, BT.2020 primaries, the same shape as the JPEG XL fixed in 3.0.1) rendered
as a bleached picture with every bright area clipped to white: Windows' own AV1 decoder hands
an HDR picture back as linear light, and everything brighter than 80 nits was being cut off
on the way to 8 bits. Where the bundled ImageMagick decoded the file instead, the raw PQ
signal was shown as if it were sRGB, so the same picture came out dark and flat. Both now go
through the conversion and tone map an HDR PNG, JPEG XL or EXR does, HDR HEIC included. The
SDR twin of the same picture is unchanged.