Added URL to all handouts

Advanced/Origami/main.tex

@@ -8,7 +8,7 @@
 \graphicspath{ {./images/} }
 
 \uptitlel{Advanced 2}
-\uptitler{Winter 2022}
+\uptitler{\smallurl{}}
 \title{Origami}
 \subtitle{Prepared by everyone on \today}
 
@@ -218,12 +218,12 @@
 	\note{Proposed by Nikita}
 	\begin{enumerate}[label = \textbf{\alph{enumi}:}]
 		\item Construct a regular hexagon using a ruler and compass.
-		
+
 		\item Cut the triangle with angles $72^\circ$, $72^\circ$, $36^\circ$ into 2 isosceles triangles.
-		
+
 		\item Using triangle similarity, prove that the ratio of the sides in this triangle
 		is equal to the golden ratio $\varphi = \frac{1+\sqrt{5}}{2}$.
-		
+
 		\item Find a way to construct a regular pentagon using only a ruler and compass.
 	\end{enumerate}