refactor: rename packages

packages/runtime-dom/src/index.ts

@@ -0,0 +1,20 @@
+import { createRenderer, VNode, Component } from '@vue/runtime-core'
+import { nodeOps } from './nodeOps'
+import { patchData } from './patchData'
+import { teardownVNode } from './teardownVNode'
+
+const { render: _render } = createRenderer({
+  nodeOps,
+  patchData,
+  teardownVNode
+})
+
+type publicRender = (
+  node: VNode | null,
+  container: HTMLElement
+) => Component | null
+export const render = _render as publicRender
+
+// re-export everything from core
+// h, Component, observer API, nextTick, flags & types
+export * from '@vue/runtime-core'