diff --git a/modulo4/sistema-bancario/src/data.ts b/modulo4/sistema-bancario/src/data.ts
new file mode 100644
index 0000000..e69de29
diff --git a/modulo4/sistema-bancario/src/index.ts b/modulo4/sistema-bancario/src/index.ts
new file mode 100644
index 0000000..e69de29