feat: add nextcloud, seafile, opencloud, collabora and onlyoffice services

opencloud/.env.example

@@ -0,0 +1,13 @@
+# Copy to .env and fill in. Never commit .env.
+#
+#   cp .env.example .env
+
+# Public hostname, without scheme.
+OC_DOMAIN=opencloud.example.com
+
+# Password of the built-in admin account, set on first start only.
+# Generate one with: openssl rand -base64 24
+INITIAL_ADMIN_PASSWORD=
+
+# OC_LOG_LEVEL=info
+# PROXY_ENABLE_BASIC_AUTH=false