Add TypeScript compiler flags esModuleInterop and allowSyntheticDefaultImports to tsconfig.json

[thinkh]

Closes #254

Developer Checklist (Definition of Done)

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• All acceptance criteria from the issue are met
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• Code is cleaned up and formatted
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Summary of changes

• Add the TS compiler flags esModuleInterop and allowSyntheticDefaultImports to tsconfig.json (for more information see Update tsconfig.json flags in template files to support i18next library #254)