Build instructions

Add build instructions and installation requirements, use inline links.

README.md

@@ -1,26 +1,43 @@
 # Vollkorn-Typeface
-Vollkorn Typeface by Friedrich Althausen ([friedrichalthausen.de/][1])
+Vollkorn Typeface by [Friedrich Althausen](http://friedrichalthausen.de). All rights reserved.
 
 »Vollkorn« is the free and healthy typeface for bread and butter use.
 
 Published under the SIL OFL license – free as always – pay what you want.
 
-Project page: [vollkorn-typeface.com][2]
+Visit the [project page](https://vollkorn-typeface.com) for details.
 
-#### Specimen
+# Specimen
 
 ![Vollkorn Specimen](sources/vollkorn-specimen.png)
 
-#### Copyright
+# Requirements
 
-Copyright (c) 2005–2018, Friedrich Althausen (http://friedrichalthausen.de). All rights reserved.
+Before building the font files, install the following software packages using `pip`'s installer:
 
-#### License
+* gftools
+* fontmake
+* gftools[qa]
+* opentype-feature-freezer
 
-This Font Software is licensed under the SIL Open Font License, Version 1.1.
-This license is copied below, and is also available with a FAQ at:
-http://scripts.sil.org/OFL
+For example:
 
+    sudo pip install gftools
 
-[1]:http://friedrichalthausen.de
-[2]:http://www.vollkorn-typeface.com/
+# Build
+
+Build the fonts as follows:
+
+    git clone https://github.com/FAlthausen/Vollkorn-Typeface.git
+    cd Vollkorn-Typeface/sources
+    ./build.sh
+
+The fonts are exported to the `fonts` directory.
+
+# Copyright
+
+Copyright (c) 2005–2018, [Friedrich Althausen](http://friedrichalthausen.de). All rights reserved.
+
+# License
+
+This Font Software is licensed under the [SIL Open Font License](http://scripts.sil.org/OFL), Version 1.1.