add git attributes

.gitattributes

@@ -0,0 +1,8 @@
+# Normalize line endings for all files that Git considers text files.
+* text=auto eol=lf
+
+# Only include the addons folder when downloading from the Asset Library.
+/**                        export-ignore
+/addons                    !export-ignore
+/addons/scene_manager      !export-ignore
+/addons/scene_manager/**   !export-ignore

.gitignore

@@ -1,2 +1,15 @@
-.import
-.godot
+# Godot 4+ specific ignores
+.godot/
+
+# Godot-specific ignores
+.import/
+export.cfg
+export_presets.cfg
+
+# Imported translations (automatically generated from CSV files)
+*.translation
+
+# Mono-specific ignores
+.mono/
+data_*/
+mono_crash.*.json