Merge #3688 from nkomonen-amazon/browserSupport

browser: Initial structure setup for toolkit in browser

Author: justinmk3

.vscode/launch.json

@@ -145,6 +145,15 @@
             "program": "${workspaceFolder}/scripts/lint/testLint.ts",
             "outFiles": ["${workspaceFolder}/dist/**/*.js"],
             "preLaunchTask": "${defaultBuildTask}"
+        },
+        {
+            "name": "Run Web Extension ",
+            "type": "pwa-extensionHost",
+            "debugWebWorkerHost": true,
+            "request": "launch",
+            "args": ["--extensionDevelopmentPath=${workspaceFolder}", "--extensionDevelopmentKind=web"],
+            "outFiles": ["${workspaceFolder}/dist/**/*.js"],
+            "preLaunchTask": "${defaultBuildTask}"
         }
     ],
     "compounds": [