update resume and add phone number command

- fixes #2

example.tex

@@ -10,6 +10,7 @@
 \email{email@example.com}
 \github{https://github.com/ghost}{GitHub}
 \linkedin{https://www.linkedin.com/in/username}{LinkedIn}
+\phonenumber{123456789}
 \currentdate{DD Month YYYY}
 
 \begin{document}