authorization_codes: crate, database, insert one

crates/database/migrations/20230316213207_authorization_codes.down.sql

@@ -0,0 +1 @@
+drop table if exists authorization_codes;

crates/database/migrations/20230316213207_authorization_codes.up.sql

@@ -0,0 +1,12 @@
+create table if not exists authorization_codes
+(
+    -- info
+    code       TEXT not null primary key,
+    app        TEXT not null references apps (id),
+    user       TEXT not null references users (id),
+
+    -- timings
+    created_at TEXT not null default CURRENT_TIMESTAMP,
+    expires_at TEXT not null,
+    used_at    TEXT
+);