Add champions feat

composables/usePagination.ts

@@ -0,0 +1,32 @@
+export default function usePagination<T>(iterable: Array<T>, pageSize: number) {
+  const length = Math.ceil(iterable.length / pageSize);
+  const pages = Array.from({ length: length }, (v, k) => {
+    return iterable.slice(k * pageSize, k * pageSize + pageSize);
+  });
+  const index = ref(0);
+
+  const prev = () => {
+    if (index.value - 1 < 0) return;
+    index.value--;
+  };
+  const next = () => {
+    if (index.value + 1 >= length) return;
+    index.value++;
+  };
+  const first = () => {
+    index.value = 0;
+  };
+  const last = () => {
+    index.value = length - 1;
+  };
+
+  return {
+    count: length,
+    pages: pages,
+    index: index,
+    prev,
+    next,
+    first,
+    last,
+  };
+}