chore: restructure and refine the ui (#199)

* update deps

* clean up

* add account crate

* add person crate

* add chat and chat ui crates

* .

* clean up the ui crate

* .

* .

crates/chat/Cargo.toml

@@ -0,0 +1,26 @@
+[package]
+name = "chat"
+version.workspace = true
+edition.workspace = true
+publish.workspace = true
+
+[dependencies]
+common = { path = "../common" }
+states = { path = "../states" }
+account = { path = "../account" }
+person = { path = "../person" }
+settings = { path = "../settings" }
+
+gpui.workspace = true
+nostr.workspace = true
+nostr-sdk.workspace = true
+anyhow.workspace = true
+itertools.workspace = true
+smallvec.workspace = true
+smol.workspace = true
+log.workspace = true
+futures.workspace = true
+serde.workspace = true
+serde_json.workspace = true
+
+fuzzy-matcher = "0.3.7"