Pull #16982: Add project icon (#2283)

Co-authored-by: Vincent Potucek <vpotucek@me.com>

Author: Pankraz76

.gitignore

@@ -7,6 +7,7 @@
 *.ipr
 *.iml
 .idea
+!.idea/icon.png
 .DS_Store
 /bootstrap
 /dependencies.xml