More project data (#406)

* More project data

* Array_agg fixes + cleanup

* fix prepare

* Add approval dates to search

* Update migrations/20220725204351_more-project-data.sql

Co-authored-by: wafflecoffee <emmaffle@modrinth.com>

* Add category labels + display categories

Co-authored-by: wafflecoffee <emmaffle@modrinth.com>

src/database/models/user_item.rs

@@ -1,5 +1,5 @@
 use super::ids::{ProjectId, UserId};
-use time::OffsetDateTime;
+use chrono::{DateTime, Utc};
 
 pub struct User {
     pub id: UserId,
@@ -9,7 +9,7 @@ pub struct User {
     pub email: Option<String>,
     pub avatar_url: Option<String>,
     pub bio: Option<String>,
-    pub created: OffsetDateTime,
+    pub created: DateTime<Utc>,
     pub role: String,
 }