Created Wait Spinners (markdown)

Wait-Spinners.md

@@ -0,0 +1,53 @@
+# Description
+
+When Wekan is loading big board, selected Wait Spinner animation is shown.
+
+# Allowed Wait Spinners
+
+[Source](https://github.com/wekan/wekan/blob/master/config/const.js#L52-L61)
+
+Currently:
+```
+  'Bounce',
+  'Cube',
+  'Cube-Grid',
+  'Dot',
+  'Double-Bounce',
+  'Rotateplane',
+  'Scaleout',
+  'Wave'
+```
+
+# Settings at Admin Panel
+
+Admin Panel / Layout / Wait Spinner
+
+# Source
+
+```
+export WAIT_SPINNER=Bounce
+```
+
+# Docker
+
+```
+- WAIT_SPINNER=Bounce
+```
+
+# Snap
+
+```
+sudo snap set wekan wait-spinner='Bounce'
+
+sudo snap set wekan-gantt-gpl wait-spinner='Bounce'
+```
+
+# Non-English Translations, done at web only
+
+https://transifex.com/wekan/wekan
+
+# Original English source
+
+https://github.com/wekan/wekan/blob/master/i18n/en.i18n.json
+
+