chore: improve render message (#84)

* .

* refactor upload button

* refactor

* dispatch action on mention clicked

* add profile modal

* .

* .

* .

* improve rich_text

* improve handle url

* make registry simpler

* refactor

* .

* clean up

crates/ui/src/actions.rs

@@ -1,6 +1,12 @@
 use gpui::{actions, Action};
+use nostr_sdk::prelude::PublicKey;
 use serde::Deserialize;
 
+/// Define a open profile action
+#[derive(Action, Clone, PartialEq, Eq, Deserialize, Debug)]
+#[action(namespace = profile, no_json)]
+pub struct OpenProfile(pub PublicKey);
+
 /// Define a custom confirm action
 #[derive(Clone, Action, PartialEq, Eq, Deserialize)]
 #[action(namespace = list, no_json)]