ui: add SearchView and SearchQueryState

Introduce a new view for searching for notes.

Fixes: https://linear.app/damus/issue/DECK-510/initial-search-query-view
Signed-off-by: William Casarin <jb55@jb55.com>

crates/notedeck_columns/src/view_state.rs

@@ -5,6 +5,7 @@ use enostr::Pubkey;
 use crate::deck_state::DeckState;
 use crate::login_manager::AcquireKeyState;
 use crate::profile_state::ProfileState;
+use crate::ui::search::SearchQueryState;
 
 /// Various state for views
 #[derive(Default)]
@@ -13,6 +14,7 @@ pub struct ViewState {
     pub id_to_deck_state: HashMap<egui::Id, DeckState>,
     pub id_state_map: HashMap<egui::Id, AcquireKeyState>,
     pub id_string_map: HashMap<egui::Id, String>,
+    pub searches: HashMap<egui::Id, SearchQueryState>,
     pub pubkey_to_profile_state: HashMap<Pubkey, ProfileState>,
 }