Add support for S3-backed image storage

reminder-dashboard/src/api.ts

@@ -9,6 +9,7 @@ enum ColorScheme {
 type UserInfo = {
     name: string;
     patreon: boolean;
+    image_uploads: boolean;
     preferences: {
         timezone: string | null;
         reset_inputs_on_create: boolean;
@@ -126,6 +127,13 @@ export const fetchUserInfo = () => ({
     staleTime: USER_INFO_STALE_TIME,
 });
 
+export const uploadImage = (file: File) =>
+    axios
+        .post<{ url: string }>("/dashboard/api/images", file, {
+            headers: { "Content-Type": "application/octet-stream" },
+        })
+        .then((response) => response.data.url);
+
 export const patchUserInfo = () => ({
     mutationFn: (userInfo: UpdateUserInfo) => axios.patch(`/dashboard/api/user`, userInfo),
 });
@@ -236,7 +244,7 @@ export const fetchGuildTodos = (guild: string) => ({
 });
 
 export const patchGuildTodo = (guild: string) => ({
-    mutationFn: ({id, todo}) => axios.patch(`/dashboard/api/guild/${guild}/todos/${id}`, todo),
+    mutationFn: ({ id, todo }) => axios.patch(`/dashboard/api/guild/${guild}/todos/${id}`, todo),
 });
 
 export const postGuildTodo = (guild: string) => ({