add target help text

mods/ITEMS/REDSTONE/mcl_target/init.lua

@@ -14,9 +14,8 @@ end
 
 minetest.register_node("mcl_target:target_off", {
 	description = S("Target"),
-	--_tt_help = S(""),
-	--_doc_items_longdesc = longdesc,
-	--_doc_items_usagehelp = buttonuse,
+	_doc_items_longdesc = S("A target is a block that provides a temporary redstone charge when hit by a projectile."),
+	_doc_items_usagehelp = S("Throw a projectile on the target to activate it."),
 	tiles = {"mcl_target_target_top.png", "mcl_target_target_top.png", "mcl_target_target_side.png"},
 	groups = {hoey = 1},
 	sounds = mcl_sounds.node_sound_dirt_defaults({

mods/ITEMS/REDSTONE/mcl_target/locale/mcl_target.fr.tr

@@ -0,0 +1,4 @@
+# textdomain: mcl_target
+Target=Cible
+A target is a block that provides a temporary redstone charge when hit by a projectile.=La cible est un bloc qui se comporte comme une source d'énergie temporaire quand elle est frappée par un projectile. 
+Throw a projectile on the target to activate it.=Lancer un projectile sur la cible pour l'activer.

mods/ITEMS/REDSTONE/mcl_target/locale/template.txt

@@ -0,0 +1,4 @@
+# textdomain: mcl_target
+Target=
+A target is a block that provides a temporary redstone charge when hit by a projectile.=
+Throw a projectile on the target to activate it.=