add some comments

README

@@ -222,5 +222,7 @@ gen_batch_jobs_cl.sh FLEXPART -i
 
 
 
-
+./export_flexgen.sh exportG _G
+cd exportG
+./gen_options_all.sh ; ./gen_pathnames.sh ; ./gen_batch_jobs_SLURM.sh
 

define_options_D.sh

 #D: particle output
+#D1: part1: Trajectories from default (conc)
+#D2: part2 -- default + partposit in the end
+#D3: part_bwd1 --  backward trajectories 
+#D4: part_QUASILAG: Trajectories MQUASILAG
+
 
 #D1: part1: Trajectories from default (conc)
 options_new=options_part1