add qcode script

To make this script particularly useful, configure a keyboard shortcut
for it and tell i3 to float the feh window.

Example:
4f7c1c9ea6

Original script source:
https://raw.githubusercontent.com/lathan/dotfiles/master/scripts/clipqr.sh

roles/media/files/qcode.sh

@@ -0,0 +1,22 @@
+#!/bin/sh
+#
+# Generate a QR Code and display the resulting image.
+#
+# Data to encode may be provided either through standard input or as an
+# argument. If no data is provided, the clipboard content will be used.
+#
+###############################################################################
+
+IMG_VIEWER="feh -x --title qcode -"
+
+read -t 0 stdin
+
+if [ -n "$stdin" ]; then
+    source="$stdin"
+elif [ -n "$1" ]; then
+    source="$1"
+else
+    source=$(xclip -o -selection clipboard)
+fi
+
+echo "$source" | qrencode --size=10 -o - | $IMG_VIEWER -

roles/media/tasks/main.yml

@@ -14,6 +14,7 @@
 - include: teiler.yml
 - include: flac2all.yml
 - include: darktable.yml
+- include: qcode.yml
 
 - name: Install misc media codecs and helpers
   pacman: name={{ item }} state=present

roles/media/tasks/qcode.yml

@@ -0,0 +1,10 @@
+---
+- name: Install qrencode
+  pacman: name=qrencode state=present
+  tags:
+    - qcode
+
+- name: Push qcode script
+  copy: src=qcode.sh dest=/usr/local/bin/qcode mode=0755
+  tags:
+    - qcode