chore: grpc + mtls working

backend/internal/storage/migrations.go

@@ -14,6 +14,17 @@ const CreateSqlite = `
 );
 `
 
+const CreateRegistrationTokensTable = `
+CREATE TABLE IF NOT EXISTS registration_tokens (
+	id INTEGER PRIMARY KEY AUTOINCREMENT,
+	token TEXT NOT NULL UNIQUE,
+	label TEXT NOT NULL,
+	used BOOL NOT NULL DEFAULT 0,
+	created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
+	used_at DATETIME
+);
+`
+
 const CreateLogsTable = `
 CREATE TABLE IF NOT EXISTS logs (
     timestamp DateTime64(3) DEFAULT now(),