feat: adjust examples and previews

[alexlwn123]

• docs: Added open() sidebar item and isOpen() page
• docs: Added default files to stackblitz previews
• removed unused tsconfig from vite example

[changeset-bot[bot]]

⚠️ No Changeset found

Latest commit: e39c1a3aab1d188ed0ece2f38c3168dd8c7f9d7e

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[github-actions[bot]]

Size Change: 0 B

Total Size: 7.23 MB

ℹ️ View Unchanged

| Filename | Size | | :--- | :---: | | `packages/core-web/dist/index.js` | 2.21 kB | | `packages/core-web/dist/worker.js` | 646 B | | `packages/wasm-bundler/fedimint_client_wasm_bg.wasm` | 3.61 MB | | `packages/wasm-web/fedimint_client_wasm_bg.wasm` | 3.61 MB |

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