feat(core): expose wheelDelta utility (#1918)

* feat(core): expose wheelDelta utility

Signed-off-by: braks <78412429+bcakmakoglu@users.noreply.github.com>

* chore(changeset): add

* fix(minimap): apply wheel delta to zoom

Signed-off-by: braks <78412429+bcakmakoglu@users.noreply.github.com>

* chore(changeset): add

---------

Signed-off-by: braks <78412429+bcakmakoglu@users.noreply.github.com>

examples/vite/src/Basic/CustomNode.vue

@@ -0,0 +1,30 @@
+<script setup>
+import { Handle, Position } from '@vue-flow/core'
+
+const props = defineProps({ handleCount: { type: Number } })
+</script>
+
+<template>
+  <div class="custom-node">
+    <Handle
+      v-for="n in props.handleCount"
+      :id="String(n - 1)"
+      :key="`${n}-${props.handleCount}`"
+      type="target"
+      :position="Position.Top"
+      :style="{ left: `${100 * (n / (props.handleCount + 1))}%` }"
+    />
+    Custom
+  </div>
+</template>
+
+<style>
+.custom-node {
+  min-width: 100px;
+  gap: 4px;
+  padding: 8px;
+  background: white;
+  border: 1px solid black;
+  border-radius: 4px;
+}
+</style>