Structure backup documentation more clearly

docs/administration.md

@@ -7,6 +7,8 @@ depending on how you installed paperless.
 
 Before making backups, make sure that paperless is not running.
 
+### Any Installation {#backup-any}
+
 Options available to any installation of paperless:
 
 - Use the [document exporter](#exporter). The document exporter exports all your documents,
@@ -23,6 +25,8 @@ Options available to any installation of paperless:
     a different version of paperless. The export contains an exact image of
     the database, and migrations may change the database layout.
 
+### Docker Installation {#backup-docker}
+
 Options available to docker installations:
 
 - Backup the docker volumes. These usually reside within
@@ -39,6 +43,8 @@ Options available to docker installations:
   - `paperless_dbdata`: Exists only if you use MariaDB and contains
     the database.
 
+### Bare-Metal Installation {#backup-baremetal}
+
 Options available to bare-metal and non-docker installations:
 
 - Backup the entire paperless folder. This ensures that if your
@@ -48,8 +54,6 @@ Options available to bare-metal and non-docker installations:
   When using PostgreSQL or MariaDB, you'll also have to backup the
   database.
 
-### Restoring {#migrating-restoring}
-
 ## Updating Paperless {#updating}
 
 ### Docker Route {#docker-updating}