Moved presentations to presentations folder

Issue-ID: OPTFRA-125
Change-Id: I14c94a26a64cd735501ee3667f7142c53e8982a4
Signed-off-by: Ramki Krishnan <ramkri123@gmail.com>

diff --git a/docs/model-driven-placement.pdf b/docs/presentations/model-driven-placement.pdf
similarity index 100%
rename from docs/model-driven-placement.pdf
rename to docs/presentations/model-driven-placement.pdf