Event flags implementation (#382)

* Added event flags
* Added transition ESC command
* Also edited .gitignore to ignore .translation files
* docs: Automatic update of API docs

Co-authored-by: StraToN <StraToN@users.noreply.github.com>

game/rooms/room10/background.tscn

@@ -21,3 +21,10 @@ points = PoolVector2Array( 6.61201, 704.409, 6.61203, 389.558, 87.755, 339.775,
 __meta__ = {
 "_editor_description_": ""
 }
+
+[node name="r_door" type="Line2D" parent="."]
+position = Vector2( 0, -267.828 )
+points = PoolVector2Array( 1175.07, 620.086, 1171.24, 311.267, 1274.8, 356.87, 1278.31, 672.412, 1188.64, 624.843 )
+__meta__ = {
+"_editor_description_": ""
+}