Make git-contacts more prominent in our docs.

Notable changes in v2
=====================

 * Improve existing mention of git-contacts in SubmittingPatches (instead of
   adding a separate, entirely new paragraph)
 * Add example usage of integrating git-contacts with git-send-email with
   the latter's --cc-cmd flag.
 * Various smaller fixes to SubmittingPatches

Linus Arver (8):
  MyFirstContribution: mention contrib/contacts/git-contacts
  SubmittingPatches: make 'git contacts' grep-friendly
  SubmittingPatches: mention GitGitGadget
  SubmittingPatches: quote commands
  SubmittingPatches: discuss reviewers first
  SubmittingPatches: dedupe discussion of security patches
  SubmittingPatches: add heading for format-patch and send-email
  SubmittingPatches: demonstrate using git-contacts with git-send-email

 Documentation/MyFirstContribution.txt |  5 ++
 Documentation/SubmittingPatches       | 68 +++++++++++++++------------
 2 files changed, 43 insertions(+), 30 deletions(-)

base-commit: c2cbfbd2e28cbe27c194d62183b42f27a6a5bb87

Submitted-As: https://lore.kernel.org/git/pull.1704.v2.git.1712366536.gitgitgadget@gmail.com
In-Reply-To: https://lore.kernel.org/git/pull.1704.git.1712017205754.gitgitgadget@gmail.com