chore: add start index in wizard

Author: devrnt

src/types.ts

@@ -5,6 +5,8 @@ export type WizardProps = {
   header?: React.ReactNode;
   /** Optional footer that is shown below the active step */
   footer?: React.ReactNode;
+  /** Optional start index @default 0 */
+  startIndex?: number;
 };
 
 export type WizardValues = {

src/wizard.tsx

@@ -4,8 +4,8 @@ import { Handler, WizardProps } from './types';
 import WizardContext from './wizardContext';
 
 const Wizard: React.FC<WizardProps> = React.memo(
-  ({ header, footer, children }) => {
-    const [activeStep, setActiveStep] = React.useState(0);
+  ({ header, footer, startIndex = 0, children }) => {
+    const [activeStep, setActiveStep] = React.useState(startIndex);
     const [isLoading, setIsLoading] = React.useState(false);
     const hasNextStep = React.useRef(true);
     const hasPreviousStep = React.useRef(false);