Add PDFs generation with Table Of Content (#114)

* generate pdf with toc

* remove md-to-pdf

* improve readme

* add check for calibre

* update books

* add page number

Author: gibbok

downloads/typescript-book-zh_CN.epub

@@ -13,6 +13,12 @@ nvm use
 npm install
 ```
 
+```shell
+brew install pandoc
+brew install epubcheck
+brew install --cask calibre
+```
+
 ## Commands
 
 Use `make` to run the main commands:
@@ -80,21 +86,24 @@ After generating the Epub files, thoroughly test them, and once you're satisfied
 
 These tools will assist you in efficiently working with Markdown books and ensure a smooth and organized process. Happy writing!
 
-## Debug Epub issues
+## Debug EPUB Issues
 
-You can download and use the following tools to validate and debug the created EPUB files.
+To debug the EPUB files you create, follow these steps:
+
+First, download and install Sigil. You can use the following command to install Sigil:
 
 ```shell
-brew install epubcheck
 brew install --cask sigil
 ```
 
-For instance, run the EPUB check using:
+Next, run an EPUB check to validate your EPUB file. For example:
 
 ```shell
 epubcheck ../downloads/typescript-book.epub
 ```
 
+Finally, open the EPUB file using Sigil for detailed inspection.
+
 ## How to Contribute to This E-Book
 
 To contribute to this e-book, follow these steps:

downloads/typescript-book-zh_CN.pdf

@@ -28,6 +28,12 @@ else
     echo "You need to install epubcheck. Please visit: https://www.w3.org/publishing/epubcheck/docs/installation/"
     exit 1
 fi
+if command -v ebook-convert &>/dev/null; then
+    echo "calibre is installed"
+else
+    echo "You need to install calibre. Please visit: https://calibre-ebook.com/download"
+    exit 1
+fi
 
 # Generate eBooks
 pandoc -o $DIR_DOWNLOADS/$OUTPUT_EN.epub --metadata title="$TITLE_EN" --metadata author="$AUTHOR" -s $INPUT_EN.md
@@ -37,10 +43,8 @@ pandoc -o $DIR_DOWNLOADS/$OUTPUT_CN.epub --metadata title="$TITLE_CN" --metadata
 epubcheck $DIR_DOWNLOADS/$OUTPUT_CN.epub
 epubcheck $DIR_DOWNLOADS/$OUTPUT_CN.epub
 
-cd ./tools || exit
-
-# Generate PDFs 
-npm run make-pdf --source=$INPUT_EN --destination=$OUTPUT_EN
-npm run make-pdf --source=$INPUT_CN --destination=$OUTPUT_CN
+# Generate PDFs
+ebook-convert $DIR_DOWNLOADS/$OUTPUT_EN.epub $DIR_DOWNLOADS/$OUTPUT_EN.pdf --pdf-page-numbers
+ebook-convert $DIR_DOWNLOADS/$OUTPUT_CN.epub $DIR_DOWNLOADS/$OUTPUT_CN.pdf --pdf-page-numbers
 
 echo "Books were created. Please commit!"