Add prune script

docs/30_Scripts.md

@@ -137,7 +137,7 @@ The inc_config.sh mus contain 3 variables for pruning
 ```bash
     # for prune on restic rest server
     prune_basedir=/netshare/restic-backup
-    prune_params="--group-by paths,tags --prune --keep-within 180d --max-unused unlimited --max-repack-size 100M --cleanup-cache"
+    prune_params="--group-by paths,tags --prune --keep-within 180d --max-unused unlimited --max-repack-size 10G --cleanup-cache"
     prune_skipdays="7"
     prune_cachedir=${prune_basedir}/.cache_for_pruning
 ```
@@ -164,7 +164,7 @@ ls -l rest_pruner.cfg
 
 ```txt
 ------------------------------------------------------------------------------
-  --------========###|    RESTIC REST PRUNER :: v0.3    |###=======--------
+  --------========###|    RESTIC REST PRUNER :: v0.4    |###=======--------
 ------------------------------------------------------------------------------
 
 Pruner for restic rest server with append only option.