fix(storyteller): copy migrations, sqlite and .env to standalone dir

- cp migrations/ and sqlite/ (dlopen needs real files, not symlinks)
- symlink .env into standalone working directory
- Fixes standalone mode missing database and config files

ct/storyteller.sh

@@ -10,7 +10,7 @@ APP="Storyteller"
 var_tags="${var_tags:-media;ebook;audiobook}"
 var_cpu="${var_cpu:-4}"
 var_ram="${var_ram:-8192}"
-var_disk="${var_disk:-16}"
+var_disk="${var_disk:-20}"
 var_os="${var_os:-debian}"
 var_version="${var_version:-13}"
 var_unprivileged="${var_unprivileged:-1}"