Update version number and update documentation

* Support spaces in distro/distro-family (#432)
* Fix zsh hanging when tab completing add/checkout (#417)
* Add yadm-untracked script to contributed files (#418)
* Fix documentation typos (#425)
* Support docker-like OCI engines for dev testing (#431)

CONTRIBUTORS

@@ -12,8 +12,12 @@ Espen Henriksen
 Cameron Eagans
 Klas Mellbourn
 James Clark
+Glenn Waters
+Nicolas signed-log FORMICHELLA
 Tomas Cernaj
+Joshua Cold
 jonasc
+Nicolas stig124 FORMICHELLA
 Chad Wade Day, Jr
 Sébastien Gross
 David Mandelberg
@@ -26,7 +30,6 @@ Siôn Le Roux
 Mateusz Piotrowski
 Uroš Golja
 Satoshi Ohki
-Nicolas stig124 FORMICHELLA
 Jonas
 Franciszek Madej
 Daniel Wagenknecht
@@ -46,3 +49,4 @@ Thomas Luzat
 Russ Allbery
 Brayden Banks
 Alexandre GV
+Felipe S. S. Schneider