gnu: geeqie: Enable most features, add doc.

This change enables most of the features of Geeqie, at a cost of about 10%
size increase (from 1428 to 1596 MiB).

* gnu/packages/image-viewers.scm (geeqie) [inputs]: Add djvulibre,
ffmpegthumbnailer, gspell, libarchive, libheif, libjpeg, libraw, libtiff,
poppler and libwebp.
[native-inputs]: Add yelp-tools.

Series-to: 62367@debbugs.gnu.org

gnu/packages/image-viewers.scm

@@ -67,6 +67,7 @@ (define-module (gnu packages image-viewers)
   #:use-module (gnu packages compression)
   #:use-module (gnu packages curl)
   #:use-module (gnu packages documentation)
+  #:use-module (gnu packages djvu)
   #:use-module (gnu packages fontutils)
   #:use-module (gnu packages freedesktop)
   #:use-module (gnu packages gawk)
@@ -244,16 +245,27 @@ (define-public geeqie
               (file-name (git-file-name name version))))
     (build-system meson-build-system)
     (inputs
-     (list exiv2
+     (list djvulibre
+           exiv2
+           ffmpegthumbnailer
            gtk+
+           gspell
            lcms
+           libarchive
            libchamplain
-           libpng))
+           libheif
+           libjpeg
+           libpng
+           libraw
+           libtiff
+           poppler
+           libwebp))
     (native-inputs
      (list `(,glib "bin") ; glib-gettextize
            intltool
            pkg-config
-           xxd))
+           xxd
+           yelp-tools))
     (home-page "https://www.geeqie.org/")
     (synopsis "Lightweight GTK+ based image viewer")
     (description