refactor: Client keys and Identity (#61)

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* refactor client keys

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* refactor

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* update new account

crates/client_keys/Cargo.toml

@@ -0,0 +1,14 @@
+[package]
+name = "client_keys"
+version.workspace = true
+edition.workspace = true
+publish.workspace = true
+
+[dependencies]
+global = { path = "../global" }
+
+nostr-sdk.workspace = true
+gpui.workspace = true
+anyhow.workspace = true
+log.workspace = true
+smallvec.workspace = true