docs: refer more to screenshots all over the place

Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>

docs/maintenance.rst

@@ -173,6 +173,10 @@ scheduled verification, garbage-collection and synchronization tasks results.
 By default, notifications are sent to the email address configured for the
 `root@pam` user. You can instead set this user for each datastore.
 
+.. image:: images/screenshots/pbs-gui-datastore-options.png
+  :align: right
+  :alt: Datastore Options
+
 You can also change the level of notification received per task type, the
 following options are available:
 

docs/network-management.rst

@@ -3,6 +3,10 @@
 Network Management
 ==================
 
+.. image:: images/screenshots/pbs-gui-system-config.png
+  :align: right
+  :alt: System and Network Configuration Overview
+
 Proxmox Backup Server provides both a web interface and a command line tool for
 network configuration. You can find the configuration options in the web
 interface under the **Network Interfaces** section of the **Configuration** menu
@@ -31,10 +35,6 @@ To get a list of available interfaces, use the following command:
   │ ens19 │ eth    │         1 │ manual │             │              │              │
   └───────┴────────┴───────────┴────────┴─────────────┴──────────────┴──────────────┘
 
-.. image:: images/screenshots/pbs-gui-network-create-bond.png
-  :align: right
-  :alt: Add a network interface
-
 To add a new network interface, use the ``create`` subcommand with the relevant
 parameters. For example, you may want to set up a bond, for the purpose of
 network redundancy. The following command shows a template for creating the bond shown
@@ -44,6 +44,10 @@ in the list above:
 
   # proxmox-backup-manager network create bond0 --type bond --bond_mode active-backup --slaves ens18,ens19 --autostart true --cidr x.x.x.x/x --gateway x.x.x.x
 
+.. image:: images/screenshots/pbs-gui-network-create-bond.png
+  :align: right
+  :alt: Add a network interface
+
 You can make changes to the configuration of a network interface with the
 ``update`` subcommand:
 

docs/package-repositories.rst

@@ -27,6 +27,10 @@ update``.
 In addition, you need a package repository from Proxmox to get Proxmox Backup
 updates.
 
+.. image:: images/screenshots/pbs-gui-administration-apt-repos.png
+  :align: right
+  :alt: APT Repository Management in the Web Interface
+
 .. _package_repos_secure_apt:
 
 SecureApt

docs/storage.rst

@@ -95,6 +95,10 @@ display S.M.A.R.T. attributes from the web interface or by using the command:
 :term:`Datastore`
 -----------------
 
+.. image:: images/screenshots/pbs-gui-datastore-summary.png
+  :align: right
+  :alt: Datastore Usage Overview
+
 A datastore refers to a location at which backups are stored. The current
 implementation uses a directory inside a standard Unix file system (``ext4``,
 ``xfs`` or ``zfs``) to store the backup data.