Add configurable iPhone widgets

crates/app/src/lib.rs

@@ -117,6 +117,18 @@ impl GotchaCore {
             .ok_or_else(|| "Select a server first.".to_string().into())
     }
 
+    fn server_by_id(&self, id: &str) -> Result<Server, GotchaError> {
+        self.state
+            .lock()
+            .unwrap()
+            .preferences
+            .servers
+            .iter()
+            .find(|server| server.credential_account == id)
+            .cloned()
+            .ok_or_else(|| "That server is no longer configured.".into())
+    }
+
     fn repository_rows(&self, state: &State, pane: RepositoryPane) -> Vec<RepositoryRow> {
         let server_url = state
             .active_server