chore: init from code-review-graph-main snapshot (v2.3.7)

tests/fixtures/sample.resi

@@ -0,0 +1,27 @@
+/* sample.resi - ReScript interface file fixture.
+   Only signatures — no expression bodies. */
+
+type status = Active | Inactive | Pending
+
+type result<'a> = Ok('a) | Err(string)
+
+let defaultTimeout: int
+
+let fact: int => int
+
+module User: {
+  type t
+  let make: (~name: string, ~age: int) => t
+  let greet: t => unit
+
+  module Validator: {
+    let isAdult: t => bool
+    let hasName: t => bool
+  }
+}
+
+module App: {
+  let start: unit => unit
+}
+
+external readFile: string => string = "readFileSync"