Source linting: pre-commit

howto/code/lint/index.rst
howto/code/lint/pre-commit.rst
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  o Document the pre-commit hook for linting and source cleanup.
  o Added a howto cookbook until cleaner commands can be added.

Change-Id: I41fa897ae4a9ae54f133ac6a3fbb23633bc0d648
Signed-off-by: Joey Armstrong <jarmstrong@linuxfoundation.org>
3 files changed