Update .gitignore

.gitignore

+# Ignore the following files
+.kdev4
+.vscode
+*~
+*.[oa]
+*.diff
+*.kate-swp
+*.kdev4
+.kdev_include_paths
+*.kdevelop.pcs
+*.moc
+*.moc.cpp
+*.orig
+*.user
+.*.swp
+.swp.*
+Doxyfile
+Makefile
+avail
+random_seed
+/build*/
+CMakeLists.txt.user*
+/compile_commands.json
+.clangd
+.idea
+/cmake-build*
+.cache
+apidocs
+doxygen.log
+.directory
+.cmake/
 .cproject
 .project
 .settings/