Add tests

Author: queicherius

tests/basicFile.ts

@@ -0,0 +1,5 @@
+interface Foo {
+  bar: number
+}
+
+export const foo: Foo = { bar: 1 }

tests/reactFile.tsx

@@ -0,0 +1,6 @@
+import React from 'react'
+
+// This is a Button component
+export const Button = () => {
+  return <div>Foo Bar</div>
+}

tests/tokenFile.jsonc

@@ -0,0 +1,4 @@
+{
+  // This is foo.
+  "foo": "bar"
+}