Updated README to show that some more fonts are required

Author: Betim Salihu

.gitignore

@@ -29,3 +29,4 @@
 /epub/toc.xhtml
 /book.epub
 /book.mobi
+package-lock.json

README.md

@@ -16,9 +16,13 @@ To build the PDF file (don't bother trying this unless you really need
 it, since this list has probably bitrotted again and getting all this
 set up is a pain):
 
-    apt-get install texlive texlive-xetex fonts-inconsolata fonts-symbola texlive-lang-chinese inkscape
+    apt-get install texlive texlive-xetex fonts-inconsolata fonts-symbola texlive-lang-chinese inkscape texlive-lang-arabic fonts-cns11643-sung
     make book.pdf
 
+Aditional fonts are required:
+  - https://github.com/MihailJP/Inconsolata-LGC/releases/tag/LGC-1.5.1
+  - https://www.1001fonts.com/cinzel-font.html
+
 ## Translating
 
 Translations are very much welcome. The license this book is published