ezidam + jwt: get key, import private key, create jwt claims and sign them

crates/database/queries/apps/get_one_from_authorization_code.sql

@@ -0,0 +1,13 @@
+select a.id,
+       a.created_at      as "created_at: DateTime<Utc>",
+       a.updated_at      as "updated_at: DateTime<Utc>",
+       a.label,
+       a.redirect_uri,
+       a.secret,
+       a.is_confidential as "is_confidential: bool",
+       a.is_archived     as "is_archived: bool"
+from apps a
+
+         inner join authorization_codes ac on a.id = ac.app
+
+where ac.code is ?