Feature: documents trash aka soft delete (#6944)

docs/configuration.md

@@ -219,10 +219,10 @@ database, classification model, etc).
 
     Defaults to "../data/", relative to the "src" directory.
 
-#### [`PAPERLESS_TRASH_DIR=<path>`](#PAPERLESS_TRASH_DIR) {#PAPERLESS_TRASH_DIR}
+#### [`PAPERLESS_EMPTY_TRASH_DIR=<path>`](#PAPERLESS_EMPTY_TRASH_DIR) {#PAPERLESS_EMPTY_TRASH_DIR}
 
-: Instead of removing deleted documents, they are moved to this
-directory.
+: When documents are deleted (e.g. after emptying the trash) the original files will be moved here
+instead of being removed from the filesystem. Only the original version is kept.
 
     This must be writeable by the user running paperless. When running
     inside docker, ensure that this path is within a permanent volume
@@ -230,7 +230,9 @@ directory.
 
     Note that the directory must exist prior to using this setting.
 
-    Defaults to empty (i.e. really delete documents).
+    Defaults to empty (i.e. really delete files).
+
+    This setting was previously named PAPERLESS_TRASH_DIR.
 
 #### [`PAPERLESS_MEDIA_ROOT=<path>`](#PAPERLESS_MEDIA_ROOT) {#PAPERLESS_MEDIA_ROOT}
 
@@ -1362,6 +1364,20 @@ processing. This only has an effect if
 
     Defaults to false.
 
+## Trash
+
+#### [`EMPTY_TRASH_DELAY=<num>`](#EMPTY_TRASH_DELAY) {#EMPTY_TRASH_DELAY}
+
+: Sets how long in days documents remain in the 'trash' before they are permanently deleted.
+
+    Defaults to 30 days, minimum of 1 day.
+
+#### [`PAPERLESS_EMPTY_TRASH_TASK_CRON=<cron expression>`](#PAPERLESS_EMPTY_TRASH_TASK_CRON) {#PAPERLESS_EMPTY_TRASH_TASK_CRON}
+
+: Configures the schedule to empty the trash of expired deleted documents.
+
+    Defaults to `0 1 * * *`, once per day.
+
 ## Binaries
 
 There are a few external software packages that Paperless expects to