README: add a screenshot of the launcher

- docs/screenshots/artcraft-launcher.png: the table view on macOS with
  live release data, shown below the README's navigation links
- Credit the screenshot in ATTRIBUTION.md
- Trim the closing line of the Thanks section

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

ATTRIBUTION.md

@@ -12,6 +12,7 @@ next to them.
 |---|---|---|---|---|
 | `assets/app-icon/` (all files) | ArtCraft Launcher app icon: the ArtCraft "A" mark in black | ArtCraft Team | Rendered unmodified from `docs/brand/artcraft-mark-black.svg` by `packaging/icons.sh`, see [`assets/app-icon/README.md`](assets/app-icon/README.md) | **Not open source; not MIT or Apache-2.0.** ArtCraft trademark, [`docs/brand/LICENSE-brand.txt`](docs/brand/LICENSE-brand.txt) |
 | `assets/social/x.svg`, `youtube.svg`, `tiktok.svg`, `instagram.svg` | X, YouTube, TikTok and Instagram logos, linking to ArtCraft's accounts | [Simple Icons](https://simpleicons.org/) contributors | Simple Icons, `fill` set to white for tinting; see [`assets/social/README.md`](assets/social/README.md) | CC0 1.0. The logos are trademarks of X Corp., Google LLC, TikTok / ByteDance and Meta Platforms, Inc. |
+| `docs/screenshots/artcraft-launcher.png` | Screenshot of ArtCraft Launcher (macOS, table view), used in the README | ArtCraft Launcher contributors | Captured from the app | MIT OR Apache-2.0 for the screenshot itself; the ArtCraft logo in it stays an ArtCraft trademark ([`docs/brand/LICENSE-brand.txt`](docs/brand/LICENSE-brand.txt)) and the app icons in it keep their own licenses (above) |
 | `docs/brand/artcraft-logo.svg`, `artcraft-logo-white.svg` | ArtCraft wordmark, shown in the window header | ArtCraft Team | Supplied brand files, unmodified (same as PhotoCraft's `docs/brand/`) | **Not open source; not MIT or Apache-2.0.** ArtCraft trademark, [`docs/brand/LICENSE-brand.txt`](docs/brand/LICENSE-brand.txt) |
 | `docs/brand/artcraft-mark-64.png`, `artcraft-mark-black-44.png` | ArtCraft "A" mark, the tray / menu-bar icon | ArtCraft Team | Rendered unmodified from `docs/brand/artcraft-mark.svg` and `artcraft-mark-black.svg` by `packaging/icons.sh` | **Not open source; not MIT or Apache-2.0.** ArtCraft trademark, [`docs/brand/LICENSE-brand.txt`](docs/brand/LICENSE-brand.txt) |
 | `assets/fonts/Inter-Regular.ttf`, `Inter-Medium.ttf`, `Inter-SemiBold.ttf` | Inter 4.001 (UI font) | The Inter Project Authors (Rasmus Andersson) | <https://github.com/rsms/inter> (copied from PhotoCraft's `assets/fonts/`) | SIL OFL 1.1, [`assets/fonts/OFL-Inter.txt`](assets/fonts/OFL-Inter.txt) |

README.md

@@ -46,6 +46,10 @@
   <a href="https://discord.gg/artcraft">Discord</a>
 </p>
 
+<p align="center">
+  <img src="docs/screenshots/artcraft-launcher.png" alt="ArtCraft Launcher on macOS: the Craft App Suite in the table view, with each app's status, installed and latest version, release date, and Install or Open buttons" width="900">
+</p>
+
 ## What it does
 
 The Craft apps each ship their own builds for every platform. ArtCraft Launcher saves you from
@@ -232,8 +236,6 @@ lot from them. Thank you to their authors:
 | [ArtCraft Hub Launcher](https://github.com/tinyplayerss/artcraft-hub-launcher) | [@tinyplayerss](https://github.com/tinyplayerss) | A friendly, one-window hub for the whole suite |
 | [CraftHub](https://github.com/MegaTheLEGEND/CraftHub) | [@MegaTheLEGEND](https://github.com/MegaTheLEGEND) | Serving the apps' web builds from a self-hosted launcher |
 
-ArtCraft Launcher is a separate implementation and contains none of their code.
-
 ## License and credits
 
 ArtCraft Launcher is dual-licensed under [MIT](LICENSE-MIT) or [Apache-2.0](LICENSE-APACHE), at your option.