完成下列功能:

1.板件显示
2.板件选中状态
3.标注显示
4.相机控制.

tsconfig.json

@@ -0,0 +1,19 @@
+{
+    "compilerOptions": {
+        "declaration": true,
+        "outDir": "./dist",
+        "target": "esnext",
+        "lib": [
+            "es2017",
+            "dom"
+        ],
+        "types": [
+            "node"
+        ],
+        "module": "commonjs",
+        "experimentalDecorators": true
+    },
+    "include": [
+        "./src/**/*"
+    ]
+}