Add the trail particle with duration and target

Trail particles fly from where they spawn to a target offset over the
chosen number of ticks, in the entry's colour. The target follows the
body like other offsets when the entry is placed relative to it.

LobbySystem/src/de/steamwar/lobby/LobbySystem_de.properties

@@ -138,6 +138,10 @@ PARTICLE_PARAM_SPREAD_Z = §fStreuung Z
 PARTICLE_PARAM_SPEED = §fGeschwindigkeit
 PARTICLE_PARAM_COLORS = §fFarben
 PARTICLE_PARAM_BLOCK = §fBlock
+PARTICLE_PARAM_TRAIL_DURATION = §fSpurdauer (Ticks)
+PARTICLE_PARAM_TRAIL_TARGET_X = §fSpurziel X
+PARTICLE_PARAM_TRAIL_TARGET_Y = §fSpurziel Y
+PARTICLE_PARAM_TRAIL_TARGET_Z = §fSpurziel Z
 PARTICLE_PARAM_OFFSET_X = §fVersatz X
 PARTICLE_PARAM_OFFSET_Y = §fVersatz Y
 PARTICLE_PARAM_OFFSET_Z = §fVersatz Z
@@ -193,6 +197,7 @@ PARTICLE_TYPE_BLOCK_MARKER = §fBlockmarkierung
 PARTICLE_TYPE_DUST_PILLAR = §fStaubsäule
 PARTICLE_TYPE_FALLING_DUST = §fFallender Staub
 PARTICLE_TYPE_ITEM = §fGegenstandssplitter
+PARTICLE_TYPE_TRAIL = §fSpur
 PARTICLE_TYPE_FLAME = §fFlamme
 PARTICLE_TYPE_SMALL_FLAME = §fKleine Flamme
 PARTICLE_TYPE_SOUL_FIRE_FLAME = §fSeelenfeuerflamme