Add way to scan barcodes in gthumb

It looks like sometimes zbarimg does a better job and sometimes
ZXingReader does, so add commands for both.

Author: dseomn

.config/gthumb/scripts.xml

@@ -72,4 +72,22 @@
     wait-command="true"
     for-each-file="true"
     />
+
+  <script
+    id="K5hLuNHp"
+    shell-script="true"
+    display-name="zbarimg"
+    command="zbarimg -Senable -Scomposite.disable -- %F | zenity --text-info"
+    wait-command="false"
+    for-each-file="false"
+    />
+
+  <script
+    id="SGjZetmd"
+    shell-script="true"
+    display-name="ZXingReader"
+    command="ZXingReader %F | zenity --text-info"
+    wait-command="false"
+    for-each-file="false"
+    />
 </scripts>

.config/system-packages/debian/dseomn-meta/debian/control

@@ -253,6 +253,7 @@ Recommends:
   yubikey-touch-detector,
   yubioath-desktop,
   zbar-tools,
+  zxing-cpp-tools,
 Suggests:
   blobwars,
   flightgear,