Allow arrow keys for navigation

src/main.rs

@@ -656,6 +656,17 @@ fn handle_relative_connection(
                                 updateSection();
                             }
                         }
+
+                        document.addEventListener('keydown', (e) => {
+                            switch(e.keyCode) {
+                                case 37:
+                                    prev();
+                                    break;
+                                case 39:
+                                    next();
+                                    break;
+                            }
+                        });
                     "))
                 }
             }