chore: prepare mobile(android/ios) target

crates/coop_mobile/Cargo.toml

@@ -0,0 +1,36 @@
+[package]
+name = "coop_mobile"
+version.workspace = true
+edition.workspace = true
+publish.workspace = true
+
+[dependencies]
+assets = { path = "../assets" }
+ui = { path = "../ui" }
+theme = { path = "../theme" }
+common = { path = "../common" }
+state = { path = "../state" }
+device = { path = "../device" }
+chat = { path = "../chat" }
+settings = { path = "../settings" }
+person = { path = "../person" }
+relay_auth = { path = "../relay_auth" }
+
+gpui.workspace = true
+gpui_platform.workspace = true
+gpui_tokio.workspace = true
+gpui-mobile = { git = "https://github.com/itsbalamurali/gpui-mobile" }
+
+nostr-connect.workspace = true
+nostr-sdk.workspace = true
+
+anyhow.workspace = true
+serde.workspace = true
+serde_json.workspace = true
+itertools.workspace = true
+log.workspace = true
+smallvec.workspace = true
+smol.workspace = true
+futures.workspace = true
+oneshot.workspace = true
+tracing-subscriber.workspace = true