chore: add codeowners file

Riippi · Riippi · commit d531f4975552 · 2026-05-12T16:41:00.000+03:00
diff --git a/CODEOWNERS b/CODEOWNERS
@@ -0,0 +1 @@
+* @City-of-Helsinki/ratkaisutoimiston-frontend

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1 @@`
	`1`	`+* @City-of-Helsinki/ratkaisutoimiston-frontend`