Add 'engine/' from commit 'a8e37fc010'

git-subtree-dir: engine
git-subtree-mainline: b74841629e
git-subtree-split: a8e37fc010

engine/modules/gdscript/tests/scripts/parser/features/space_indentation.gd

@@ -0,0 +1,4 @@
+func test():
+  # 2-space indentation should work, even though the GDScript style guide recommends tabs.
+  if true:
+    pass