Merge pull request #11 from fastly/kats/updates

Update JS SDK and use standardized build script

Author: harmony7

fastly.toml

@@ -8,4 +8,4 @@ manifest_version = 2
 name = "Empty starter for JavaScript"
 
 [scripts]
-  build = "npm exec js-compute-runtime ./src/index.js ./bin/main.wasm"
+  build = "npm run build"