Move Escoria settings load action out of init (#414)

InputMap actions added/removed at plugin enabled/disabled
Some changes to README
Co-authored-by: StraToN <StraToN@users.noreply.github.com>

addons/escoria-core/plugin.gd

@@ -12,6 +12,10 @@ const autoloads = {
 func _enter_tree():
 	for key in autoloads.keys():
 		add_autoload_singleton(key, autoloads[key])
+		
+	# Add input actions in InputMap
+	InputMap.add_action("switch_action_verb")
+	InputMap.add_action("esc_show_debug_prompt")
 	
 	# Prepare settings
 	set_escoria_main_settings()
@@ -291,4 +295,7 @@ func _exit_tree():
 		if ProjectSettings.has_setting(key):
 			remove_autoload_singleton(key)
 	
+	InputMap.erase_action("switch_action_verb")
+	InputMap.erase_action("esc_show_debug_prompt")
+