feat: as dev I want to find a component by the name in the manifest
chore: refactor to move pellet-create-class inline

add a step in the webpack to embed the manifest data into pellet so anyone
can get a componnt by name and version
fix: fixed webpack build bugs
feat: as a dev I want to "pellet run --build" to only build once
feat: as a dev I want pellet to exit if running "pellet run --mode prod" but last build was in dev