re-arrange the user docs (#76)

* re-arrange the user docs

* Minor description edit

* update styles

* fix service links

Co-authored-by: kn0wmad <kn0wmad@protonmail.com>
Co-authored-by: Lucy Cifferello <12953208+elvece@users.noreply.github.com>

site/source/user-manual/backups/index.rst

@@ -0,0 +1,52 @@
+.. _backups:
+
+=======
+Backups
+=======
+
+In addition to safekeeping of a good master password, maintaining good backups are among the few major responsibilities required to keep the benefits and freedom that come with self-hosting.
+
+.. raw:: html
+
+  <div class="topics-grid grid-container full">
+
+  <div class="grid-x grid-margin-x">
+
+.. topic-box::
+  :title: Create
+  :link: backup-create
+  :icon: scylla-icon scylla-icon--memory-management
+  :class: large-5
+  :anchor: View
+
+  Create an encrypted backup of Embassy.
+
+.. topic-box::
+  :title: Restore
+  :link: backup-restore
+  :icon: scylla-icon scylla-icon--comparison
+  :class: large-5
+  :anchor: View
+
+  Restore Embassy from a previous backup.
+
+.. topic-box::
+  :title: SNF Setup
+  :link: cifs-setup/index
+  :icon: scylla-icon scylla-icon--networking
+  :class: large-5
+  :anchor: Setup
+
+  Setup a Shared Network Folder on your laptop/desktop.
+
+.. raw:: html
+
+  </div></div>
+
+.. toctree::
+  :maxdepth: 1
+  :hidden:
+
+  backup-create
+  backup-restore
+  SNF Setup<cifs-setup/index>