chore: clean dist folder to reduce the size

Author: aminya

package.json

@@ -42,8 +42,10 @@
     "build.test": "npm run build && npm run test",
     "test": "echo 'test without rebuilding' && atom --test spec",
     "clean": "shx rm -rf dist",
+    "clean.prod": "shx rm -rf ./dist/**/*.d.ts ./dist/tsconfig.tsbuildinfo",
     "dev": "npm run clean && tsc -p lib/tsconfig.json --watch",
-    "build": "npm run clean && tsc -p lib/tsconfig.json || echo done",
+    "tsc": "tsc -p lib/tsconfig.json || echo done",
+    "build": "npm run clean && npm run tsc && npm run clean.prod",
     "build:services-docs": "markdox lib/services/index.js -o lib/services/README.md",
     "build:plugin-docs": "markdox lib/plugin-api/hydrogen-provider.js lib/plugin-api/hydrogen-kernel.js -o docs/PluginAPI.md",
     "build:docs": "npm run build:plugin-docs && npm run build:services-docs",