Add icon for JetBrains Toolbox (#2240)

Co-Authored-By: Vladimir Sitnikov <[email protected]>

Author: turansky

.gitignore

@@ -19,7 +19,8 @@ gradle-app.setting
 *.iws
 *.uml
 **/.idea/*
-!.idea/vcs.xml
+!/.idea/icon.png
+!/.idea/vcs.xml
 /out/
 /*/out/