Update DEVELOPMENT.md with additional preparation step (#243)

Author: anazobec

DEVELOPMENT.md

@@ -17,7 +17,7 @@ git clone git@github.com:ScaleComputing/HyperCoreAnsibleCollection.git hypercore
 cd hypercore
 
 # Install community.general collection, since we like to have stdout_callback=community.general.yaml in ansible.cfg
-ansible-galaxy collection install community.general
+ansible-galaxy collection install community.general community.crypto
 # Optional, if you want to run "ansible-test --venv ..."
 # pip install -r test.requirements -r sanity.requirements
 ```