Add LaTeX for OTS letterhead

latex/otsletterhead.ltx

+% This is the latex that generates the OTS letterhead.  It can be
+% included into a doc or pulled in via jinja2
+
+\vspace{0.5em}
+\begin{minipage}[c]{0.5\textwidth}
+\begin{figure}[H]
+\includegraphics[scale=0.20]{otslogo.pdf}
+\end{figure}
+\end{minipage} \hfill
+\begin{minipage}[c]{0.45\textwidth}
+\vspace*{0.25cm}
+\textcolor{dkergreen}{{\viiisf \hfill info@opentechstrategies.com \circlesep +1 (312) 857-6361}}
+\end{minipage}
+\textcolor{dkgreen}{\rule{\textwidth}{1pt}}
+ 
\ No newline at end of file