feat: 使用pnpm进行包管理

packages/cesium/src/css/main.css

@@ -0,0 +1,7 @@
+html, body, #cesiumContainer {
+    width: 100%;
+    height: 100%;
+    margin: 0;
+    padding: 0;
+    overflow: hidden;
+}

packages/cesium/src/index.ts

@@ -0,0 +1,11 @@
+/**
+ * You can also import Cesium Object like this
+ *
+ * import * as Cesium from 'cesium';
+ * const viewer = new Cesium.Viewer('cesiumContainer');
+ */
+
+import { Viewer } from 'cesium';
+import './css/main.css';
+
+const viewer = new Viewer('cesiumContainer', { infoBox: false });