Update .gitignore: add image file to ignore list

Author: PyCompiler ARK++

.gitignore

@@ -29,7 +29,7 @@ share/python-wheels/
 .installed.cfg
 *.egg
 MANIFEST
-
+ui/6ebd46c8a6039f10a8aa16a9b56a23e6.jpg
 # PyInstaller
 #  Usually these files are written by a python script from a template
 #  before PyInstaller builds the exe, so as to inject date/other infos into it.