feat: add Ctrl-Enter to send specific string in wezterm.

.wezterm.lua

@@ -14,6 +14,11 @@ config.initial_cols = 132
 config.initial_rows = 43
 config.line_height = 1.0
 config.keys = {
+    {
+        key = 'Enter',
+        mods = 'CTRL',
+        action = act.SendString '\x1b[13;5u',
+    },
     {
         key = 'Insert',
         mods = 'SHIFT',