fix: add missing config

config/ocis-appprovider-onlyoffice/entrypoint-override.sh

@@ -0,0 +1,19 @@
+#!/bin/sh
+set -e
+
+apk add curl
+
+#TODO: app driver itself should try again until OnlyOffice is up...
+
+retries=10
+while [[ $retries -gt 0 ]]; do
+    if curl --silent --show-error --fail http://onlyoffice/hosting/discovery > /dev/null; then
+        ocis app-provider server
+    else
+        echo "OnlyOffice is not yet available, trying again in 10 seconds"
+        sleep 10
+        retries=$((retries - 1))
+    fi
+done
+echo 'OnlyOffice was not available after 100 seconds'
+exit 1