Issue 377 (#383)

* feat: Implements speech fixes #377

* docs: Automatic update of API docs

* chore: Updated speech translation.

Co-authored-by: Dennis Ploeger <develop@dieploegers.de>
Co-authored-by: dploeger <dploeger@users.noreply.github.com>

game/rooms/room10/esc/button_play_bg_music.esc

@@ -1,2 +1,2 @@
 :use
-set_sound_state bg_music res://game/sfx/contemplation.ogg true
+set_sound_state _music res://game/sfx/contemplation.ogg true

game/rooms/room10/esc/button_stop_bg_music.esc

@@ -1,2 +1,2 @@
 :use
-set_sound_state bg_music off true
+set_sound_state _music off true

game/rooms/room10/esc/left_exit.esc

@@ -1,5 +1,5 @@
 :exit_scene
-set_sound_state bg_sound res://game/sfx/sounds/doorOpen_2.ogg false
+set_sound_state _sound res://game/sfx/sounds/doorOpen_2.ogg false
 change_scene "res://game/rooms/room09/room09.tscn"