Create Storybook files for UI components

[kurikurichan]

There are a bunch of UI components that would be useful to be able to see in a catalogue. Create a Storybook file for each of these components in src/BasicInputs/stories.

src/BasicInputs

• BooleanInput.tsx
• DatetimeInput.tsx
• ModelItemInput.tsx
• NumberInput.tsx
• SelectInput.tsx
• StringInput.tsx