parse hint_position in load_config

src/fingers/commands/load_config.cr

@@ -50,6 +50,8 @@ class Fingers::Commands::LoadConfig < Fingers::Commands::Base
         config.shift_action = value
       when "benchmark_mode"
         config.benchmark_mode = value
+      when "hint_position"
+        config.hint_position = value
       when "hint_style"
         config.hint_style = tmux.parse_style(value)
       when "selected_hint_style"