Feat/rehype-citation (#270)

* feat: add rehype-citation and upgrade to next 12.0.3

* docs: update docs

data/references-data.bib

@@ -0,0 +1,33 @@
+@article{Nash1950,
+  title={Equilibrium points in n-person games},
+  author={Nash, John},
+  journal={Proceedings of the national academy of sciences},
+  volume={36},
+  number={1},
+  pages={48--49},
+  year={1950},
+  publisher={USA}
+}
+
+@article{Nash1951,
+  title={Non-cooperative games},
+  author={Nash, John},
+  journal={Annals of mathematics},
+  pages={286--295},
+  year={1951},
+  publisher={JSTOR}
+}
+
+@Manual{Macfarlane2006,
+  url={https://pandoc.org/},
+  title={Pandoc: a universal document converter},
+  author={MacFarlane, John},
+  year={2006}
+}
+
+@book{Xie2016,
+  title={Bookdown: authoring books and technical documents with R markdown},
+  author={Xie, Yihui},
+  year={2016},
+  publisher={CRC Press}
+}