firefox: added floccus addon

wiki/firefox.md

@@ -11,6 +11,8 @@ browser.
   an automatic dark mode for sites without native dark mode.
 - [Firefox Multi-Account Containers](https://addons.mozilla.org/en-GB/firefox/addon/multi-account-containers)
   lets you separate cookies in different containers on a per site base.
+- [Floccus](https://addons.mozilla.org/en-US/firefox/addon/floccus/) syncs your
+  bookmarks across devices (supports Nextcloud and WebDAV (ownCloud, etc)).
 - [hide-scrollbars](https://addons.mozilla.org/en-GB/firefox/addon/hide-scrollbars)
   hides scrollbars.
 - [Never-Consent](https://addons.mozilla.org/en-GB/firefox/addon/never-consent)

wiki/owncloud.md

@@ -23,3 +23,8 @@ Afterwards enable locking again by removing the added line.
 
 The reason I choose this process over editing the database file, is ease of use.
 The editing of the database is much more time consuming especially if run with docker.
+
+## WebDAV
+
+You can access ownCloud via WebDAV with the link
+`https://<owncloud instance>/remote.php/dav/files/<user>/<path to folder or file>`.