automating collabora installation

abra.sh

@@ -65,6 +65,11 @@ install_onlyoffice() {
     set_app_config onlyoffice customizationForcesave true
 }
 
+install_collabora() {
+    install_apps richdocuments
+    set_app_config richdocuments wopi_url "$COLLABORA_URL"
+}
+
 set_default_quota() {
     set_app_config files default_quota "$DEFAULT_QUOTA"
 }