chore: refactor the global state and improve signer (#56)

* refactor

* update

* .

* rustfmt

* .

* .

* .

* .

* .

* add document

* .

* add logout

* handle error

* chore: update gpui

* adjust timeout

crates/account/Cargo.toml

@@ -1,17 +0,0 @@
-[package]
-name = "account"
-version.workspace = true
-edition.workspace = true
-publish.workspace = true
-
-[dependencies]
-ui = { path = "../ui" }
-common = { path = "../common" }
-global = { path = "../global" }
-
-gpui.workspace = true
-nostr-sdk.workspace = true
-anyhow.workspace = true
-smol.workspace = true
-smallvec.workspace = true
-log.workspace = true