Add diagram pdf to pokehome article.

Signed-off-by: elModo7 <elmodo7yt@gmail.com>

Author: elModo7

personal_projects/pokemon_home/index.html

@@ -368,4 +368,5 @@ <h2 class="code-line" data-line-start="104" data-line-end="105"><a id="challente
 <p class="has-line-data" data-line-start="110" data-line-end="111">
     This project, while rooted in nostalgia and personal interest, turned into an excellent opportunity to explore new technologies and practice each and every deployment step.
 </p>
+<button onclick="window.open('personal_projects/pokemon_home/pokehome_graphical_overview.pdf', '_blank')" type="button" class="btn btn-outline-success btn-block btn-flat"><i class="fa fa-book"></i> Download Graphical Overview PDF (♥ StackEdit)</button>
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