feat(slides): Add iniital presentation

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+\documentclass[12pt]{beamer}
+\usetheme{metropolis}
+\newenvironment{code}{\ttfamily}{\par}
+\title{Where does \textit{your} compiler come from?}
+\date{2018-03-13}
+\author{Vincent Ambo}
+\institute{Norwegian Unix User Group}
+\begin{document}
+  \maketitle
+
+  %% Slide 1:
+  \section{Introduction}
+
+
+  %% Slide 2:
+  \begin{frame}{Chicken and egg}
+    Self-hosted compilers are often built using themselves, for example:
+
+    \begin{itemize}
+    \item C-family compilers bootstrap themselves \& each other
+    \item (Some!) Common Lisp compilers can bootstrap each other
+    \item \texttt{rustc} bootstraps itself with a previous version
+    \item ... same for many other languages!
+    \end{itemize}
+  \end{frame}
+
+  %% Slide 3:
+  \begin{frame}{Trusting Trust}
+    \begin{center}
+      Could this be exploited?
+    \end{center}
+  \end{frame}
+
+  %% Slide 4:
+  \begin{frame}{Short interlude: A quine}
+    \begin{center}
+      \begin{code}
+        ((lambda (x) (list x (list 'quote x)))
+        \newline\vspace*{6mm} '(lambda (x) (list x (list 'quote x))))
+      \end{code}
+    \end{center}
+  \end{frame}
+
+  %% Slide 5:
+  \begin{frame}{Short interlude: Quine Relay}
+    \begin{center}
+      \includegraphics[
+        keepaspectratio=true,
+        height=\textheight
+      ]{quine-relay.png}
+    \end{center}
+  \end{frame}
+
+  %% Slide 6:
+  \begin{frame}{Trusting Trust}
+    An attack described by Ken Thompson in 1984:
+
+    \begin{enumerate}
+    \item Modify a compiler to detect when it's compiling itself.
+    \item Let the modification insert \textit{itself} into the new compiler.
+    \item Add arbitrary attack code to the modification.
+    \end{enumerate}
+  \end{frame}
+
+  %% Slide 7:
+  \begin{frame}{Damage potential?}
+    \begin{center}
+      Let your imagination run wild!
+    \end{center}
+  \end{frame}
+\end{document}
diff --git a/quine-relay.png b/quine-relay.png
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