common get post method, and control, edit page

common/index.tsx

@@ -0,0 +1,14 @@
+export const get = async (url: string) => {
+  const resp = await fetch(url);
+  const json = await resp.json();
+  return json;
+};
+export const post = async (url: string, json: any) => {
+  const resp = await fetch(url, {
+    method: "POST",
+    headers: { "Content-Type": "application/json" },
+    body: JSON.stringify(json),
+  });
+  const result = await resp.json();
+  return result;
+};