Added example to conf/app.ini

conf/app.ini

@@ -41,6 +41,9 @@ ORG_PAGING_NUM = 50
 [markdown]
 ; Enable hard line break extension
 ENABLE_HARD_LINE_BREAK = false
+; List of custom URL-Schemes that are allowed as links when rendering Markdown
+; for example git,magnet
+CUSTOM_URL_SCHEMES =
 
 [server]
 PROTOCOL = http