Wizard: Kernel step basics

This adds foundation for Kernel step, including gating and basic tests.

src/Components/CreateImageWizard/steps/Kernel/components/KernelArguments.tsx

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+import React from 'react';
+
+import { FormGroup } from '@patternfly/react-core';
+
+const KernelArguments = () => {
+  return <FormGroup isRequired={false} label="Append"></FormGroup>;
+};
+
+export default KernelArguments;

src/Components/CreateImageWizard/steps/Kernel/components/KernelName.tsx

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+import React from 'react';
+
+import { FormGroup } from '@patternfly/react-core';
+
+const KernelName = () => {
+  return <FormGroup isRequired={false} label="Name"></FormGroup>;
+};
+
+export default KernelName;

src/Components/CreateImageWizard/steps/Kernel/index.tsx

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+import React from 'react';
+
+import { Text, Form, Title } from '@patternfly/react-core';
+
+import KernelArguments from './components/KernelArguments';
+import KernelName from './components/KernelName';
+
+const KernelStep = () => {
+  return (
+    <Form>
+      <Title headingLevel="h1" size="xl">
+        Kernel
+      </Title>
+      <Text>Customize kernel name and kernel arguments.</Text>
+      <KernelName />
+      <KernelArguments />
+    </Form>
+  );
+};
+
+export default KernelStep;