feat: Fluent UI Outlook Lite + connections mockup

node_modules/@fluentui/react-spinbutton/README.md

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+# @fluentui/react-spinbutton
+
+**SpinButton component for [Fluent UI React](https://react.fluentui.dev/)**
+
+SpinButtons are used to allow numeric input bounded between minimum and maximum values with buttons to increment and decrement the input value. Values can also be manipulated via the keyboard.
+
+### Usage
+
+Import SpinButton:
+
+```js
+import { SpinButton } from '@fluentui/react-spinbutton';
+```
+
+#### Examples
+
+```jsx
+<SpinButton defaultValue={5}/>
+<SpinButton value={value} onChange={onSpinButtonChange}/>
+```
+
+See [Fluent UI Storybook](https://react.fluentui.dev/) for more detailed usage examples.
+
+Alternatively, run Storybook locally with:
+
+1. `yarn start`
+2. Select `react-spinbutton` from the list.
+
+### Specification
+
+See [Spec.md](./Spec.md).
+
+### Migration Guide
+
+When upgrading to Fluent UI v9 see the [upgrade guide](https://react.fluentui.dev/?path=/docs/concepts-migration-from-v8-components-spinbutton-migration--docs) for guidance on updating to the latest SpinButton implementation.