refactor: remove authentication module and integrate Better Auth

- Deleted the `autenticacao.ts` file to streamline the authentication process.
- Updated the `auth.ts` file to include new functions for user management and password updates.
- Modified the schema to enforce the presence of `authId` for users, ensuring integration with Better Auth.
- Refactored the seed process to create users with Better Auth integration, enhancing user management capabilities.
- Cleaned up the `usuarios.ts` file to utilize the new authentication functions and improve code clarity.

packages/backend/convex/_generated/api.d.ts

@@ -15,7 +15,6 @@ import type * as actions_smtp from "../actions/smtp.js";
 import type * as actions_utils_nodeCrypto from "../actions/utils/nodeCrypto.js";
 import type * as atestadosLicencas from "../atestadosLicencas.js";
 import type * as ausencias from "../ausencias.js";
-import type * as autenticacao from "../autenticacao.js";
 import type * as auth_utils from "../auth/utils.js";
 import type * as auth from "../auth.js";
 import type * as chat from "../chat.js";
@@ -71,7 +70,6 @@ declare const fullApi: ApiFromModules<{
   "actions/utils/nodeCrypto": typeof actions_utils_nodeCrypto;
   atestadosLicencas: typeof atestadosLicencas;
   ausencias: typeof ausencias;
-  autenticacao: typeof autenticacao;
   "auth/utils": typeof auth_utils;
   auth: typeof auth;
   chat: typeof chat;