Update download link

Author: swaroopch

.gitignore

@@ -6,3 +6,7 @@ byte_of_python.xml
 byte_of_python.pdf
 byte_of_python.epub
 byte_of_python.mobi
+node_modules
+byte-of-python.epub
+byte-of-python.pdf
+package-lock.json

README.md

@@ -285,7 +285,6 @@ Visit {{ book.downloadUrl }} for the following types of downloads:
 
 - [PDF (for desktop reading, etc.)](https://www.gitbook.com/download/pdf/book/swaroopch/byte-of-python)
 - [EPUB (for iPhone/iPad, ebook readers, etc.)](https://www.gitbook.com/download/epub/book/swaroopch/byte-of-python)
-- [Mobi (for Kindle)](https://www.gitbook.com/download/mobi/book/swaroopch/byte-of-python)
 
 Visit {{ book.sourceUrl }} for the raw content (for suggesting corrections, changes, translating, etc.)
 

book.json

@@ -3,7 +3,7 @@
         "authorUrl": "https://www.swaroopch.com/about/",
         "buyBookUrl": "https://www.swaroopch.com/buybook/",
         "contactUrl": "https://www.swaroopch.com/contact/",
-        "downloadUrl": "https://www.gitbook.com/book/swaroopch/byte-of-python/details",
+        "downloadUrl": "https://github.com/swaroopch/byte-of-python/releases/latest",
         "officialUrl": "https://python.swaroopch.com/",
         "pythonVersion": "3.6.0",
         "sourceUrl": "https://github.com/swaroopch/byte-of-python",