Add AdminProjectAddMember page & buttons

frontend/src/Pages/AdminPages/AdminProjectAddMember.tsx

@@ -0,0 +1,26 @@
+import BasicWindow from "../../Components/BasicWindow";
+import Button from "../../Components/Button";
+
+function AdminProjectAddMember(): JSX.Element {
+  const content = <></>;
+
+  const buttons = (
+    <>
+      <Button
+        text="Add"
+        onClick={(): void => {
+          return;
+        }}
+      />
+      <Button
+        text="Back"
+        onClick={(): void => {
+          return;
+        }}
+      />
+    </>
+  );
+
+  return <BasicWindow username="Admin" content={content} buttons={buttons} />;
+}
+export default AdminProjectAddMember;