Add .godot to git ignore

Author: Atlinx

.gitignore

@@ -1,6 +1,5 @@
-/build/
-/.import/
-*.swp
+# Godot 4+ specific ignores
+.godot/
 
 # Godot-specific ignores
 .import/
@@ -10,13 +9,14 @@ export_presets.cfg
 # Mono-specific ignores
 .mono/
 data_*/
-
-# Stub project
-bin/
-obj/
+mono_crash.*.json
 
 # VSCode Settings 
 .vscode/
 
 # Visual studio
 .vs/
+
+# Tests
+tests/results.xml
+tests/metadata.json