update offline tool; fix dune-workspace

dune-project

@@ -1,46 +1,2 @@
 (lang dune 3.20)
-
 (name mte)
-
-; (generate_opam_files true)
-;
-; ; (source
-; ; (github username/reponame))
-;
-; (authors "Olivier Pierre <swrup@protonmail.com>")
-;
-; (maintainers "Olivier Pierre <swrup@protonmail.com>")
-;
-; (license AGPL-3.0-only)
-;
-; ; (documentation https://url/to/documentation)
-;
-; (package
-;  (name mte)
-;  (synopsis "MTE - the MirageOS Taler Exchange")
-;  (description "A GNU Taler exchange implementation with the unikernel framework MirageOS")
-;  (tags
-;   ("GNU Taler" MirageOS unikernel OCaml crypto))
-;  (depends
-;    (ocaml (>= 5.3))
-;    base32
-;    caqti
-;    caqti-miou
-;    caqti-driver-pgx
-;    crunch
-;    vif
-;    jsont
-;    cohttp
-;    fmt
-;    bin
-;    angstrom
-;    mirage-crypto
-;    kdf
-;    digestif
-;    duration
-;    jsont
-;    cohttp
-;    ptime
-;    logs
-;   (ocamlformat :with-dev-setup)
-;    ))