Document intro and outro markers

[Goodiec]

This a pull request for this issue - #146
Kindly review

[Holzhaus]

Please fetch the latest state from upstream and rebase on upstream/manual-2.3.x to fix the issues (not your fault, these existed in manual-2.3.x).

[Goodiec]

Please fetch the latest state from upstream and rebase on upstream/manual-2.3.x to fix the issues (not your fault, these existed in manual-2.3.x).

Okay, let me try that. Thank you

[Holzhaus]

No, I meant rebasing:

git remote add upstream https://github.com/mixxxdj/manual.git
git fetch upstream
git rebase upstream/manual-2.3.x
git push -f origin manual-2.3.x

[Goodiec]

No, I meant rebasing:

git remote add upstream https://github.com/mixxxdj/manual.git
git fetch upstream
git rebase upstream/manual-2.3.x
git push -f origin manual-2.3.x

Says everything is up to date

[Goodiec]

I'll close this and refork the repository

[Holzhaus]

No, that is not necessary. Rebasing should work, no idea why GitHub has issues atm.