Fixes fallback for pages router (#40)

* Corrects cache kind for pages

Ensures the cache `kind` property is correctly assigned as "PAGES" when dealing with non-app router pages.

* Adds pages router example with static props

* Bump packages

Author: AyronK

examples/redis-minimal/src/pages/posts/[id].tsx

@@ -0,0 +1,53 @@
+import { GetStaticPaths, GetStaticProps } from "next";
+
+interface Post {
+  id: string;
+  title: string;
+  content: string;
+  timestamp: string;
+}
+
+interface PostPageProps {
+  post: Post;
+}
+
+export const getStaticPaths: GetStaticPaths = async () => {
+  return {
+    paths: [
+      { params: { id: "1" } },
+      { params: { id: "2" } },
+      { params: { id: "3" } },
+    ],
+    fallback: false,
+  };
+};
+
+export const getStaticProps: GetStaticProps<PostPageProps> = async ({
+  params,
+}) => {
+  const post: Post = {
+    id: params?.id as string,
+    title: `Post ${params?.id}`,
+    content: `This is the content for post ${params?.id}`,
+    timestamp: new Date().toISOString(),
+  };
+
+  return {
+    props: {
+      post,
+    },
+    revalidate: 60,
+  };
+};
+
+export default function Post({ post }: PostPageProps) {
+  return (
+    <div>
+      <h1>{post.title}</h1>
+      <p>{post.content}</p>
+      <p>
+        <small>Generated at: {post.timestamp}</small>
+      </p>
+    </div>
+  );
+}