feat: save user key to keyring

crates/client/Cargo.toml

@@ -8,3 +8,5 @@ gpui.workspace = true
 nostr-sdk.workspace = true
 dirs.workspace = true
 tokio.workspace = true
+keyring-search.workspace = true
+keyring.workspace = true

crates/client/src/lib.rs

@@ -1,4 +1,5 @@
 use gpui::Global;
+use keyring::Entry;
 use nostr_sdk::prelude::*;
 use state::get_client;
 
@@ -17,4 +18,15 @@ impl NostrClient {
 
         Self { client }
     }
+
+    pub fn add_account(&self, keys: Keys) -> Result<()> {
+        let public_key = keys.public_key().to_bech32()?;
+        let secret = keys.secret_key().to_secret_hex();
+        let entry = Entry::new("Coop Safe Storage", &public_key)?;
+
+        // Add secret to keyring
+        entry.set_password(&secret)?;
+
+        Ok(())
+    }
 }