feat(dev): 配置 VSCode 开发环境并优化项目设置

.vscode/launch.json

@@ -0,0 +1,14 @@
+{
+  "version": "0.2.0",
+  "configurations": [
+    {
+      "name": "Launch Firefox Dev Edition",
+      "type": "firefox",
+      "request": "launch",
+      "url": "http://localhost:4730/",
+      "webRoot": "${workspaceFolder}",
+      "firefoxExecutable": "/Applications/Firefox Nightly.app/Contents/MacOS/firefox",
+      "preLaunchTask": "🚀 dev"
+    }
+  ]
+}