refactor: changed file structure

cmd/migrate/migrations/00001_init.sql

@@ -0,0 +1,27 @@
+-- +goose Up
+-- +goose StatementBegin
+PRAGMA foreign_keys=ON;
+CREATE TABLE IF NOT EXISTS jwtblacklist (
+jti TEXT PRIMARY KEY CHECK(jti GLOB '[0-9a-fA-F-]*'),
+exp INTEGER NOT NULL
+) STRICT;
+CREATE TABLE IF NOT EXISTS "users" (
+    id INTEGER PRIMARY KEY AUTOINCREMENT, 
+    username TEXT NOT NULL UNIQUE, 
+    password_hash TEXT DEFAULT "", 
+    created_at INTEGER DEFAULT (unixepoch()),
+    bio TEXT DEFAULT ""
+) STRICT;
+CREATE TRIGGER IF NOT EXISTS cleanup_expired_tokens
+AFTER INSERT ON jwtblacklist
+BEGIN
+DELETE FROM jwtblacklist WHERE exp < strftime('%s', 'now');
+END;
+-- +goose StatementEnd
+
+-- +goose Down
+-- +goose StatementBegin
+DROP TRIGGER IF EXISTS cleanup_expired_tokens;
+DROP TABLE IF EXISTS jwtblacklist;
+DROP TABLE IF EXISTS users;
+-- +goose StatementEnd