login: reimplement login in connector interface

Signed-off-by: Sumner Evans <sumner.evans@automattic.com>

pkg/store/upgrades/00-latest.sql

@@ -0,0 +1,7 @@
+-- v0 -> v1: Latest revision
+
+-- TODO do I need to have bridge ID here?
+CREATE TABLE telegram_session (
+    user_id      INTEGER PRIMARY KEY,
+    session_data BYTEA NOT NULL
+);

pkg/store/upgrades/upgrades.go

@@ -0,0 +1,32 @@
+// mautrix-telegram - A Matrix-Telegram puppeting bridge.
+// Copyright (C) 2024 Sumner Evans
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Affero General Public License for more details.
+//
+// You should have received a copy of the GNU Affero General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+package upgrades
+
+import (
+	"embed"
+
+	"go.mau.fi/util/dbutil"
+)
+
+var Table dbutil.UpgradeTable
+
+//go:embed *.sql
+var rawUpgrades embed.FS
+
+func init() {
+	Table.RegisterFS(rawUpgrades)
+}