Fix another GitHub OAuth Bug, allow users to register with null names. (#69)

* Change header name

* Add default bio value

* Remove default

* Make name null

* Run prepare

src/database/models/user_item.rs

@@ -4,7 +4,7 @@ pub struct User {
     pub id: UserId,
     pub github_id: Option<i64>,
     pub username: String,
-    pub name: String,
+    pub name: Option<String>,
     pub email: Option<String>,
     pub avatar_url: Option<String>,
     pub bio: Option<String>,
@@ -31,7 +31,7 @@ impl User {
             self.id as UserId,
             self.github_id,
             &self.username,
-            &self.name,
+            self.name.as_ref(),
             self.email.as_ref(),
             self.avatar_url.as_ref(),
             self.bio.as_ref(),