Maintenance + translation support (#2)

* maintenance + translation support

* fix too long line warning

* improvements through code review

locale/led_marquee.de.tr

@@ -0,0 +1,5 @@
+# textdomain: led_marquee
+LED marquee panel (@1)=LED-Anzeigetafel (@1)
+LED marquee panel=LED-Anzeigetafel
+Proceed=Fortsetzen
+Channel=Kanal

locale/template.txt

@@ -0,0 +1,5 @@
+# textdomain: led_marquee
+LED marquee panel (@1)=
+LED marquee panel=
+Proceed=
+Channel=