Publish version 1.20.0

New icons:

- AlliedModders (#1893)
- Bitrise (#1829)
- Khan Academy (#1884)
- C# (#1807)
- Mapbox (#1897)
- Monster (#1892)
- MicroStrategy (#1899)
- Pastebin (#1887)
- strongSwan (#1906)
- ABB RobotStudio (#1886)
- Asciidoctor (#1886)
- Source Engine (#1898)
- Valve (#1907)
- Steamworks (#1908)
- Apache NetBeans IDE (#1885)
- Beats by Dre (#1924)
- MDN Web Docs (#1925)
- Algolia (#1929)
- CodeChef (#1921)
- Minds (#1917)
- Duolingo ( #1922, 5388f8d)
- ManageIQ (#1926)
- ReactOS (#1941)
- IPFS (#1949)
- PureScript (#1910)
- PyUp (#1954)
- QEMU (#1957)
- Prometheus (#1964)
- Timescale (#1962)
- awesomeWM (#1966)
- Anchor (#1960)
- Zhihu (#1959)
- Google Search Console (#1947)
- InfluxDB (#1965)
- Apache OpenOffice (#1976)

Updated icons:

- Houzz (#1928)
- Vue.js (#1979)

README.md

@@ -101,6 +101,10 @@ echo file_get_contents('path/to/package/icons/simple-icons.svg');
 
 Icons are also available on WordPress through a simple plugin created by [@tjtaylo](https://github.com/tjtaylo), which you can find [here](https://wordpress.org/plugins/simple-icons/).
 
+### Drupal
+
+Icons are also availabe on Drupal through a module created by [Phil Wolstenholme](https://www.drupal.org/u/phil-wolstenholme), which you can find [here](https://www.drupal.org/project/simple_icons).
+
 ## Status
 
 [![Build Status](https://travis-ci.com/simple-icons/simple-icons.svg?branch=develop)](https://travis-ci.com/simple-icons/simple-icons)