Allow usernames and post IDs to be read from file.

src/sources/getPosts.js

@@ -38,7 +38,7 @@ const getPostsWrap = reddit => function getPosts(postIds, userPosts = {}) {
         }
 
         const user = await getUser(post.author.name, reddit);
-        const { profile, posts: indexed } = await getIndexedPosts(user);
+        const { profile, posts: indexed } = await getIndex(user);
 
         return { ...accUserPosts, [post.author.name]: { ...user, posts: [post], indexed: { profile, original: indexed, updated: [] } } };
     }), userPosts);