Small improvements

main.py

@@ -20,8 +20,8 @@ btn_mapping = {"ok_btn": config.PIN_IN_BTN_1, "next_btn": config.PIN_IN_BTN_2}
 
 
 # extra functions to access the garbage collector
-def timer():
-        import programs.timer as t
+def timers():
+        import programs.timers as t
         t.run(config, btn_mapping, utils.log, lcdMenu)
         del t
         collect()
@@ -47,7 +47,7 @@ def settings():
     
 # create the main menu
 main_menu = lcdMenu(config.LCD, btn_mapping, scroll_direction=True, cycle=True, hide_menu_name=False, name="PROGRAMS")
-main_programs = [("Timer", timer),
+main_programs = [("Timers", timers),
                  ("Manual", manual),
                  ("Demos", demos),
                  ("Settings", settings)]