chore: basic port to new zellzig version

this currently does nothing except make this compile
support for dynamic keybinds and so on is on my TODO list!

src/main.zig

@@ -226,6 +226,9 @@ fn tryRender(cols: usize) !void {
                 }),
             });
         },
+        else => {
+            // TODO
+        },
     }
 
     try pl.finish();