refactor(marketing): Restructure marketing wizard components and improve project organization

- Move all marketing wizard components from `create/_components` to `_components` directory
- Update import paths in `create/page.tsx` to reflect new component locations
- Add countries constant to support country selection in page type configuration
- Minor formatting and cleanup of `.vscode/settings.json`
- Prepare for more modular and consistent component structure in marketing wizard

src/app/marketing/_components/ChallengesStep.tsx

@@ -0,0 +1,44 @@
+"use client";
+import { forwardRef, useImperativeHandle } from "react";
+import SectionStep from "./SectionStep";
+import useChallengesStepPresenter, {
+  IChallengesStepFields,
+} from "./useChallengesStepPresenter";
+
+const ChallengesStep = forwardRef((props, ref) => {
+  const {
+    errors,
+    handleSubmit,
+    onSubmit,
+    register,
+    fields,
+    append,
+    remove,
+    control,
+    getValues,
+  } = useChallengesStepPresenter();
+
+  useImperativeHandle(ref, () => ({
+    getData: () => getValues(),
+  }));
+
+  return (
+    <SectionStep<IChallengesStepFields>
+      title="Challenges"
+      fields={fields}
+      handleSubmit={handleSubmit}
+      onSubmit={onSubmit}
+      register={register}
+      errors={errors}
+      append={append}
+      remove={remove}
+      control={control}
+      fieldName="cards"
+      defaultValues={{ icon: "", title: "", description: "" }}
+    />
+  );
+});
+
+ChallengesStep.displayName = "ChallengesStep";
+
+export default ChallengesStep;