open URLs, DOIs and PDFs

+ Implement opening mechanism for URLs, DOIs and PDFs
+ Adding logic to reset selected item after editing to same entry as
before

1 files changed, 3 insertions, 0 deletions

diff --git a/src/frontend/handler.rs b/src/frontend/handler.rs
index 5bb52d5..9a27b3a 100644
--- a/src/frontend/handler.rs
+++ b/src/frontend/handler.rs
@@ -102,6 +102,9 @@ pub fn handle_key_events(key_event: KeyEvent, app: &mut App, tui: &mut Tui) -> R
             KeyCode::Char('o') => {
                 app.open_connected_file()?;
             }
+            KeyCode::Char('u') => {
+                app.open_doi_url()?;
+            }
             KeyCode::Char('/') => {
                 app.enter_search_area();
             }