add(ui/ux): show file formats in the scan and filter by them

README.md

@@ -22,6 +22,7 @@ the same mount, otherwise moving turns into copy + delete.
 | `WORDARR_CONFIG_DIR` | `/config` | location of the SQLite database |
 | `WORDARR_AUDIBLE_REGIONS` | `de,com` | Audible marketplaces, first ranks first |
 | `WORDARR_MUSICBRAINZ_UA` | see `metadata/musicbrainz.py` | user agent MusicBrainz requires |
+| `WORDARR_EXTRA_EBOOK_EXTENSIONS` | – | extra ebook formats the scan should offer, e.g. `.kepub,.lit,.rtf` |
 | `WORDARR_HARDCOVER_TOKEN` | – | Hardcover API token, the best ebook source; without it Hardcover is skipped |
 | `WORDARR_GOOGLE_BOOKS_KEY` | – | optional, only needed when the keyless Google Books quota runs dry |
 
@@ -36,7 +37,9 @@ the same mount, otherwise moving turns into copy + delete.
    *Ganze Serie…* requests every episode at once.
 3. **Import** – scan the download folder. wordarr suggests file→request matches,
    which you confirm or correct; entries can be merged, split, or turned into
-   requests from their folder names. Importing renames and moves the files
+   requests from their folder names. Every row names its format and size, and
+   the toolbar can filter by format - a Calibre export lists the same book once
+   per format, and only one of them belongs in the library. Importing renames and moves the files
    according to the library's scheme and writes audio tags.
 
 Imported titles can be edited afterwards; *Speichern & neu ablegen* re-applies