Removed hardcoded global_id "player" (#359)

* Removed hardcoded global_id "player"
Removed hardcoded node name "start_position"

* docs: Automatic update of API docs

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

docs/api/ESCLocation.md

@@ -19,6 +19,14 @@ export var global_id = ""
 
 The global ID of this item
 
+### is\_start\_location
+
+```gdscript
+export var is_start_location = false
+```
+
+If true, this ESCLocation is considered as a player start location
+
 ### player\_orients\_on\_arrival
 
 ```gdscript