Fix command docs, automate API doc generation (#327)

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

docs/api/ESCSaveSettings.md

@@ -0,0 +1,99 @@
+<!-- Auto-generated from JSON by GDScript docs maker. Do not edit this document directly. -->
+
+# ESCSaveSettings
+
+**Extends:** [Resource](../Resource)
+
+## Description
+
+Resource holding game settings.
+
+## Property Descriptions
+
+### escoria\_version
+
+```gdscript
+export var escoria_version: String = ""
+```
+
+ Version of ESCORIA Framework
+
+### text\_lang
+
+```gdscript
+export var text_lang: String = ""
+```
+
+ Language of displayed text
+
+### voice\_lang
+
+```gdscript
+export var voice_lang: String = ""
+```
+
+Language of voice speech
+
+### speech\_enabled
+
+```gdscript
+export var speech_enabled: bool = false
+```
+
+Whether speech is enabled
+
+### master\_volume
+
+```gdscript
+export var master_volume: float = 0
+```
+
+ Master volume (mix of music, voice and sfx)
+
+### music\_volume
+
+```gdscript
+export var music_volume: float = 0
+```
+
+Volume of music only
+
+### sfx\_volume
+
+```gdscript
+export var sfx_volume: float = 0
+```
+
+ Volume of SFX only
+
+### voice\_volume
+
+```gdscript
+export var voice_volume: float = 0
+```
+
+Voice volume only
+
+### fullscreen
+
+```gdscript
+export var fullscreen: bool = false
+```
+
+ True if game has to be fullscreen
+
+### skip\_dialog
+
+```gdscript
+export var skip_dialog: bool = true
+```
+
+True if skipping dialogs is allowed
+
+### rate\_shown
+
+```gdscript
+export var rate_shown: bool = false
+```
+
+ FIXME: to be defined (achievements?)