chore: add ast-types to gitattribute autogenerated

Fidget-Spinner · Fidget-Spinner · commit e66a63435c3e · 2023-06-24T21:04:50.000+08:00
diff --git a/.gitattributes b/.gitattributes
@@ -0,0 +1,3 @@
+[attr]generated linguist-generated=true diff=generated
+
+src/ast-types.ts                            generated

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1,3 @@`
	`1`	`+[attr]generated linguist-generated=true diff=generated`
	`2`	`+`
	`3`	`+src/ast-types.ts generated`