Add docs for DisableBrowserAuth config option

docs/config/all-configuration-options.md

@@ -58,6 +58,19 @@ Description: [DownloadOnlySpecificDates](#downloadonlyspecificdates) needs to be
 This date will be used when you are trying to download between/after a certain date. See [DownloadOnlySpecificDates](#downloadonlyspecificdates) and
 [DownloadDateSelection](#downloaddateselection) for more information.
 
+## DisableBrowserAuth
+
+Type: `boolean`
+
+Default: `false`
+
+Allowed values: `true`, `false`
+
+Description: The built-in/bundled web browser will not be used to authenticate OF-DL if set to `true`. If set to `true`,
+an `auth.json` file will need to be provided using a [legacy authentication method](/config/auth#legacy-methods).
+If set to `true`, the `auth.json` file will not be deleted if authentication fails. If set to `false` (the default
+behavior), OF-DL will delete the `auth.json` file if authentication fails.
+
 ## DownloadArchived
 
 Type: `boolean`

docs/config/configuration.md

@@ -3,6 +3,9 @@
 The `config.conf` file contains all the options you can change. Click on a configuration option below for more
 information about what it does, its default value, and the allowed values.
 
+- Auth
+    - [DisableBrowserAuth](/config/all-configuration-options#disablebrowserauth)
+
 - External
     - [FFmpegPath](/config/all-configuration-options#ffmpegpath)