when using macros!() we need to import the things that they use

src/routes/instance.rs

@@ -7,6 +7,7 @@ use rocket_i18n::I18n;
 use scheduled_thread_pool::ScheduledThreadPool;
 use serde_json;
 use std::str::FromStr;
+use std::path::PathBuf;
 use validator::{Validate, ValidationErrors};
 
 use crate::inbox;

src/routes/posts.rs

@@ -11,7 +11,7 @@ use std::{
 use validator::{Validate, ValidationError, ValidationErrors};
 
 use crate::routes::{
-    comments::NewCommentForm, errors::ErrorPage, ContentLen, RemoteForm, RespondOrRedirect,
+    comments::NewCommentForm, errors::ErrorPage, Page, ContentLen, RemoteForm, RespondOrRedirect,
 };
 use crate::template_utils::{IntoContext, Ructe};
 use plume_common::activity_pub::{broadcast, ActivityStream, ApRequest};