Publish v1.0.0

[tomaka]

Close #264

This PR publishes v1.0.0 of smoldot.
Nothing much changes compared to v0.7, but I feel like it's time to send a signal by releasing v1.0 that the API is stable.

As an insubstantial change part of the PR, I've also fixed some CHANGELOG markdown mistake.

[github-actions]

twiggy diff report

Difference in .wasm size before and after this pull request.

---

 Delta Bytes │ Item
─────────────┼─────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────
     -116945 ┊ smoldot_light::json_rpc_service::Background<TPlat>::handle_request::{{closure}}::h309291434e1634ac
     +116932 ┊ smoldot_light::json_rpc_service::Background<TPlat>::handle_request::{{closure}}::h9c028f6b32247880
      -14119 ┊ <core::panic::unwind_safe::AssertUnwindSafe<F> as core::future::future::Future>::poll::h17817f83712dade7
      +14119 ┊ <core::panic::unwind_safe::AssertUnwindSafe<F> as core::future::future::Future>::poll::hbd91b91805d31eec
      -13043 ┊ smoldot_light::transactions_service::background_task::{{closure}}::hd6496ef97135b77f
      +13043 ┊ smoldot_light::transactions_service::background_task::{{closure}}::hef46cb3504ac1af7
      +11934 ┊ futures_util::abortable::Abortable<T>::try_poll::hf91d8d4aac00468f
      -11926 ┊ futures_util::abortable::Abortable<T>::try_poll::h7f98366ab188dc7a
      +11594 ┊ smoldot_light::sync_service::standalone::start_standalone_chain::{{closure}}::h8e10b68593f1d536
      -11594 ┊ smoldot_light::sync_service::standalone::start_standalone_chain::{{closure}}::hd67e4e31cce46d1c
      -11392 ┊ smoldot_light::json_rpc_service::chain_head::<impl smoldot_light::json_rpc_service::Background<TPlat>>::chain_head_call::{{closure}}::{{closure}}::h370392c740be8f9e
      +11392 ┊ smoldot_light::json_rpc_service::chain_head::<impl smoldot_light::json_rpc_service::Background<TPlat>>::chain_head_call::{{closure}}::{{closure}}::h889b0cb30cbe28a4
      -10472 ┊ smoldot_light::Client<TPlat,TChain>::add_chain::h4dbcf8693bf74b73
      +10472 ┊ smoldot_light::Client<TPlat,TChain>::add_chain::h521e247289c37328
       -9857 ┊ smoldot_light::network_service::tasks::connection_task::{{closure}}::h8673fcdc44e95d0a
       +9857 ┊ smoldot_light::network_service::tasks::connection_task::{{closure}}::hcd971b97d90acf45
       +9576 ┊ futures_util::abortable::Abortable<T>::try_poll::hd69e014015b29f92
       -9568 ┊ futures_util::abortable::Abortable<T>::try_poll::heab77dba1d8c9353
       +9345 ┊ smoldot_light::sync_service::parachain::start_parachain::{{closure}}::h73afa5dcb44090b8
       -9345 ┊ smoldot_light::sync_service::parachain::start_parachain::{{closure}}::hc851010d7a10733e
       +1816 ┊ ... and 13827 more.
        +177 ┊ Σ [13847 Total Rows]