initial "update translation" doc

Update-Translation.md

@@ -0,0 +1,23 @@
+##### To update translations you first have to
+
+### setup
+1. install crowdin cli
+2. cp crowdin.example.yml crowdin.yml
+3. add api key into crowdin.yml
+
+
+##### after this is done you can
+
+### update
+```
+git checkout -f master -b crowdin_$(date "+%Y-%m-%d")
+
+crowdin push
+sleep 10s
+crowdin pull
+
+git add -u
+git commit -S -m "Crowdin $(date "+%Y-%m-%d")"
+git push -u origin crowdin_$(date "+%Y-%m-%d")
+```
+& create pull