Add KDevelop project files to gitignore

apt-ghetto · agaida · commit e005290a9244 · 2019-02-16T12:27:10.000+01:00
The project files of KDevelop are not part of the source, so ignore
them.
diff --git a/.gitignore b/.gitignore
@@ -7,3 +7,5 @@ build*/
 Session.vim
 .netrwhist
 *~
+.kdev4
+*.kdev4
