add pandoc metadata

Author: mmicu

Makefile

@@ -1,7 +1,13 @@
+INPUT_FILE = README.md
+OUTPUT_FILE = artifacts/python-for-coding-interview.pdf
+
 .PHONY: linter
 linter:
 	markdownlint README.md --disable MD013
 
 .PHONY: pdf
 pdf:
-	pandoc README.md -V geometry:margin=1in --pdf-engine=xelatex -o artifacts/python-for-coding-interview.pdf
+	pandoc $(INPUT_FILE) \
+		--pdf-engine=xelatex \
+		-M date="`date "+%B%e, %Y"`" \
+		-o $(OUTPUT_FILE)

README.md

@@ -1,4 +1,10 @@
-# Python for coding interviews
+---
+title: Python for Coding Interviews
+subtitle: <https://github.com/mmicu/python-for-coding-interviews>
+geometry: margin=1in
+---
+
+# Introduction
 
 List of several and useful `Python` data structures to know for coding interviews.