chore: add examples for tablewalker component

[islxyqwe]

Add the TableWalker component page and its introduction in readme.md

[vercel]

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Name	Status	Preview	Comments	Updated (UTC)
graphic-walker	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Feb 27, 2024 9:31am

[github-actions]

Risk Level 2 - /home/runner/work/graphic-walker/graphic-walker/packages/playground/src/examples/pages/table.stories.tsx

The code seems to be well written and follows the SOLID principles. However, there is a potential risk with the use of an external URL in the useFetch function. If the URL is not available or returns an error, it could break the application. Consider adding error handling for the fetch operation. For example:

const { data, error } = useFetch<IDataSource>('https://...');
if (error) return <div>Error: {error.message}</div>;
if (!data) return <div>Loading...</div>;

This way, the application can handle potential errors gracefully.

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Risk Level 2 - /home/runner/work/graphic-walker/graphic-walker/packages/graphic-walker/src/dataSourceProvider/memory.ts

The function createMemoryProvider is using JSON.parse without a try-catch block. This can lead to unhandled exceptions if the input is not valid JSON. Consider adding error handling.

try {
    initData && store.importData(JSON.parse(initData));
} catch (error) {
    console.error('Invalid JSON:', error);
}

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Risk Level 2 - /home/runner/work/graphic-walker/graphic-walker/packages/graphic-walker/src/dataSourceProvider/localStorage.ts

The function createLocalStorageProvider is using localStorage to store data. This can be a potential security risk if sensitive data is being stored. Ensure that no sensitive data like passwords or personal user information is being stored in localStorage.

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