dokuwiki support

README.md

@@ -13,6 +13,12 @@ A simple shopping list app:
 Note!  Register page is enabled by default, but there is no link to it anywhere.
 
 * Disable registering with env variable: `ENABLE_REGISTER=false`
+* MARKDOWN_STYLE=dokuwiki or markdown
+    * markdown syntax, unticked = `[ ]`, ticked = `[x]`
+    * dokuwiki syntax (todo plugin), unticked = `<todo>item</todo>`, ticked = `<todo #user>item</todo>`
+* SECRET_KEY=somerandomstring
+* SESSION_COOKIE_NAME=name for cookies
+
 
 ## Running