add default page layout with header

Co-authored-by: brunoedcf <brest.dallacosta@outlook.com>

src/model/Pix.ts

@@ -0,0 +1,11 @@
+export type Pix = {
+    pixKey: string;
+    merchantCity?: string;
+    merchantName?: string;
+    value?: number;
+    transactionId?: string;
+    message?: string;
+    cep?: string;
+    currency?: number;
+    countryCode?: string;
+  };