update readme

Author: themsaid

LICENSE.md

@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) Mohamed Said <themsaid@gmail.com>
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.

readme.md

@@ -1,6 +1,16 @@
 # Ibis Book Maker
 
-First run this command inside your project root:
+## Installation
+
+Make sure you have PHP7.3 or above installed on your system.
+
+First, install the composer package globally:
+
+```
+composer global require themsaid/ibis
+```
+
+Then, run this command inside an empty directory:
 
 ```
 ibis init
@@ -9,16 +19,62 @@ ibis init
 This will create the following files and directories:
 
 - /assets
+- /assets/fonts
 - /assets/cover.jpg
+- /assets/theme-light.html
+- /assets/theme-dark.html
 - /content
 - /ibis.php
 
-You may configure your book by editing the ibis.php configuration file.
+You may configure your book by editing the `/ibis.php` configuration file.
+
+## Writing Your eBook
+
+Inside the content directory, you can write multiple `.md` files. Ibis uses the headings to divide the book into parts and chapters:
+
+```
+# Part 1
+
+<h1> tags define the start of a part. A separate PDF page will be generated to print the part title and any content below.
+
+## Chapter 1
+
+<h2> tags define the start of a chapter. A chapter starts on a new page always.
+
+### Starting with Ibis
+
+<h3> tags define different titles inside a chapter.
+``` 
 
-Inside the content directory, you can write multiple `.md` file and then run:
+## Generating PDF eBook
 
 ```
 ibis build
 ```
 
-Ibis will parse the files in alphabetical order and store the PDF file in `/export`.
+Ibis will parse the files in alphabetical order and store the PDF file in `/export`.
+
+The default is to generate the PDF using the light theme, to generate a PDF using the dark theme:
+
+```
+ibis build dark
+```
+
+## Generating A Sample
+
+```
+ibis sample
+
+ibis sample dark
+```
+
+This command will use the generated files from the `ibis build` command to generate samples from your PDF eBook. You can configure which pages to include in the sample by updating the `/ibis.php` file.
+
+## Credits
+
+- [Mohamed Said](https://github.com/themsaid)
+- [All Contributors](../../contributors)
+
+## License
+
+The MIT License (MIT). Please see [License File](LICENSE.md) for more information.