tsk-69: Retrieve username from the db (#76)

Closes #69

Reviewed-on: #76
Co-authored-by: phoenix <kundeng00@pm.me>
Co-committed-by: phoenix <kundeng00@pm.me>

migrations/20250402221858_init_migrate.sql

@@ -23,6 +23,7 @@ CREATE TABLE IF NOT EXISTS "salt" (
 
 CREATE TABLE IF NOT EXISTS "passphrase" (
     id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+    username TEXT NOT NULL,
     passphrase TEXT NOT NULL,
     date_created TIMESTAMPTZ NOT NULL DEFAULT NOW()
 );