Merge pull request #7 from swisstopo/custom_repo_doc

Doc for custom plugin repository

Author: procrastinatio

README.md

@@ -4,15 +4,28 @@ QGis plugins to assess quality of digitalized geological lines boundaries agains
 
 ## Installation
 
+### From Zip archives
+
 To install this plugin, you can download the zip file from the [releases](https://github.com/procrastinatio/lg-geolines-qc/releases) page.
 
 The direct download for the latest version at [here](https://github.com/procrastinatio/lg-geolines-qc/releases/latest).
 
 Once downloaded, go to  `Plugins -> Install and Manage Plugins... -> Install from ZIP`  and select the file
-you just donwloaded.
+you just downloaded.
 
 You can find the plugins directory by going to `Settings -> System -> Plugins`.
 
+### Using a custom plugins repository
+
+Add the custom plugin repository URL:
+    https://dubious.cloud/qgis/plugins/plugins.xml
+
+to
+    `Plugins -> Install and Manage Plugins... -> Settings -> Plugins repositories -> Add`
+
+You will be automatically notified if new version is published.
+
+![New version notification](assets/New-Version-Notification.png)
 
 ## Usage