add fine tuning

[alinelena]

No description provided.

[alinelena]

attached input files for both train and fine tune tests.

janus train --mlip-config test_train.yml
janus train  --mlip-config test_finetune.yml

shall produce few files

drwxr-xr-x 2 drFaustroll users    4096 May  4 15:02 checkpoints
-rw-r--r-- 1 drFaustroll users  142942 May  4 12:25 ft_train.xyz
drwxr-xr-x 2 drFaustroll users    4096 May  4 15:02 logs
drwxr-xr-x 2 drFaustroll users    4096 May  4 15:02 results
-rw-r--r-- 1 drFaustroll users 1187666 May  4 15:02 test_compiled.model
-rw-r--r-- 1 drFaustroll users 1194392 May  4 15:02 test-finetuned_compiled.model
-rw-r--r-- 1 drFaustroll users 1120326 May  4 15:02 test-finetuned.model
-rw-r--r-- 1 drFaustroll users     668 May  4 15:01 test_finetune.yml
-rw-r--r-- 1 drFaustroll users 1116204 May  4 15:02 test.model
-rw-r--r-- 1 drFaustroll users     918 May  4 14:59 test_train.yml
-rw-r--r-- 1 drFaustroll users   14293 May  4 12:18 test.xyz
-rw-r--r-- 1 drFaustroll users  258145 May  4 14:06 train.xyz
-rw-r--r-- 1 drFaustroll users   14290 May  4 12:56 valid.xyz

tests.zip