We have one title in every doc which corresponds to `#`, in the some
there are multiple and it is expected to be h1 headers (visual elements
rather than organizational). Indent every nesting by one in all of the
docs with multiple titles.
Also fixing trailing whitespace.
I used the codemod python tool to do this with the following commands:
codemod 'tensorflow/mlir/blob/master/include' 'llvm/llvm-project/blob/master/mlir/include'
codemod 'tensorflow/mlir/blob/master' 'llvm/llvm-project/blob/master/mlir'
codemod 'tensorflow/mlir' 'llvm-project/llvm'
Differential Revision: https://reviews.llvm.org/D72244
Matthias Kramm