Add more examples to clang-format configuration

Reviewers: djasper

Reviewed By: djasper

Subscribers: klimek, cfe-commits

Differential Revision: https://reviews.llvm.org/D30990

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@298245 91177308-0d34-0410-b5e6-96231b3b80d8