feat(ComboControl): create stories for ComboControl component

src/shared/ui/ComboControl/ComboControl.stories.svelte

@@ -0,0 +1,64 @@
+<script module>
+import { defineMeta } from '@storybook/addon-svelte-csf';
+
+const { Story } = defineMeta({
+    title: 'Shared/UI/ComboControl',
+    component: ComboControl,
+    tags: ['autodocs'],
+    argTypes: {
+        value: { control: 'number' },
+        minValue: { control: 'number' },
+        maxValue: { control: 'number' },
+        step: { control: 'number' },
+        increaseDisabled: { control: 'boolean' },
+        decreaseDisabled: { control: 'boolean' },
+        onChange: { action: 'onChange' },
+        onIncrease: { action: 'onIncrease' },
+        onDecrease: { action: 'onDecrease' },
+    },
+});
+</script>
+
+<script lang="ts">
+import ComboControl from './ComboControl.svelte';
+
+let integerStep = 1;
+let decimalStep = 0.05;
+
+let integerValue = 16;
+let decimalValue = 1.5;
+
+let integerMinValue = 8;
+let decimalMinValue = 1;
+
+let integerMaxValue = 100;
+let decimalMaxValue = 2;
+
+function onChange() {}
+function onIncrease() {}
+function onDecrease() {}
+</script>
+
+<Story name="Integer Step">
+    <ComboControl
+        value={integerValue}
+        step={integerStep}
+        onChange={onChange}
+        onIncrease={onIncrease}
+        onDecrease={onDecrease}
+        minValue={integerMinValue}
+        maxValue={integerMaxValue}
+    />
+</Story>
+
+<Story name="Decimal Step">
+    <ComboControl
+        value={decimalValue}
+        step={decimalStep}
+        onChange={onChange}
+        onIncrease={onIncrease}
+        onDecrease={onDecrease}
+        minValue={decimalMinValue}
+        maxValue={decimalMaxValue}
+    />
+</Story>