[clang-tidy] Updated documentation.


git-svn-id: https://llvm.org/svn/llvm-project/clang-tools-extra/trunk@218570 91177308-0d34-0410-b5e6-96231b3b80d8
[clang-tidy] Fix for the documentation.


git-svn-id: https://llvm.org/svn/llvm-project/clang-tools-extra/trunk@218571 91177308-0d34-0410-b5e6-96231b3b80d8
[clang-tidy] Fix documentation.

Try using code-block: console for command-line usage examples.


git-svn-id: https://llvm.org/svn/llvm-project/clang-tools-extra/trunk@218572 91177308-0d34-0410-b5e6-96231b3b80d8
[clang-tidy] Updated documentation

Added an example of check-specific options.


git-svn-id: https://llvm.org/svn/llvm-project/clang-tools-extra/trunk@218573 91177308-0d34-0410-b5e6-96231b3b80d8